Home / 13,959.21-19,263.47-7,585.91

Finding the Fourth Proportional to 13,959.21, 19,263.47 and 7,585.91

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Solution

The fourth proportional to 13,959.21, 19,263.47 and 7,585.91 is: 10,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.21 : 19,263.47 = 7,585.91 : x
  2. Step 2: Convert to fraction form
    13,959.21/19,263.47 = 7,585.91/x
  3. Step 3: Cross multiply
    13,959.21x = 19,263.47 × 7,585.91
  4. Step 4: Simplify right side
    13,959.21x = 146,130,872.36
  5. Step 5: Solve for x
    x = 146,130,872.36/13,959.21
  6. Step 6: Final answer
    x = 10,468.42

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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.