Home / 22,710.48-34,007.40-13,918.76

Finding the Fourth Proportional to 22,710.48, 34,007.40 and 13,918.76

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Solution

The fourth proportional to 22,710.48, 34,007.40 and 13,918.76 is: 20,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.48 : 34,007.40 = 13,918.76 : x
  2. Step 2: Convert to fraction form
    22,710.48/34,007.40 = 13,918.76/x
  3. Step 3: Cross multiply
    22,710.48x = 34,007.40 × 13,918.76
  4. Step 4: Simplify right side
    22,710.48x = 473,340,838.82
  5. Step 5: Solve for x
    x = 473,340,838.82/22,710.48
  6. Step 6: Final answer
    x = 20,842.40

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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.