Home / 13,031.39-19,574.17-10,535.40

Finding the Fourth Proportional to 13,031.39, 19,574.17 and 10,535.40

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Solution

The fourth proportional to 13,031.39, 19,574.17 and 10,535.40 is: 15,824.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.39 : 19,574.17 = 10,535.40 : x
  2. Step 2: Convert to fraction form
    13,031.39/19,574.17 = 10,535.40/x
  3. Step 3: Cross multiply
    13,031.39x = 19,574.17 × 10,535.40
  4. Step 4: Simplify right side
    13,031.39x = 206,221,684.28
  5. Step 5: Solve for x
    x = 206,221,684.28/13,031.39
  6. Step 6: Final answer
    x = 15,824.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.