Home / 10,006.13-13,798.45-7,767.19

Finding the Fourth Proportional to 10,006.13, 13,798.45 and 7,767.19

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Solution

The fourth proportional to 10,006.13, 13,798.45 and 7,767.19 is: 10,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.13 : 13,798.45 = 7,767.19 : x
  2. Step 2: Convert to fraction form
    10,006.13/13,798.45 = 7,767.19/x
  3. Step 3: Cross multiply
    10,006.13x = 13,798.45 × 7,767.19
  4. Step 4: Simplify right side
    10,006.13x = 107,175,209.81
  5. Step 5: Solve for x
    x = 107,175,209.81/10,006.13
  6. Step 6: Final answer
    x = 10,710.95

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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.