Home / 13,941.02-19,238.65-7,972.84

Finding the Fourth Proportional to 13,941.02, 19,238.65 and 7,972.84

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Solution

The fourth proportional to 13,941.02, 19,238.65 and 7,972.84 is: 11,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.02 : 19,238.65 = 7,972.84 : x
  2. Step 2: Convert to fraction form
    13,941.02/19,238.65 = 7,972.84/x
  3. Step 3: Cross multiply
    13,941.02x = 19,238.65 × 7,972.84
  4. Step 4: Simplify right side
    13,941.02x = 153,386,682.38
  5. Step 5: Solve for x
    x = 153,386,682.38/13,941.02
  6. Step 6: Final answer
    x = 11,002.54

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.