Home / 13,925.38-19,217.02-7,637.76

Finding the Fourth Proportional to 13,925.38, 19,217.02 and 7,637.76

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Solution

The fourth proportional to 13,925.38, 19,217.02 and 7,637.76 is: 10,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.38 : 19,217.02 = 7,637.76 : x
  2. Step 2: Convert to fraction form
    13,925.38/19,217.02 = 7,637.76/x
  3. Step 3: Cross multiply
    13,925.38x = 19,217.02 × 7,637.76
  4. Step 4: Simplify right side
    13,925.38x = 146,774,986.68
  5. Step 5: Solve for x
    x = 146,774,986.68/13,925.38
  6. Step 6: Final answer
    x = 10,540.11

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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.