Home / 10,041.27-13,857.75-5,565.45

Finding the Fourth Proportional to 10,041.27, 13,857.75 and 5,565.45

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Solution

The fourth proportional to 10,041.27, 13,857.75 and 5,565.45 is: 7,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.27 : 13,857.75 = 5,565.45 : x
  2. Step 2: Convert to fraction form
    10,041.27/13,857.75 = 5,565.45/x
  3. Step 3: Cross multiply
    10,041.27x = 13,857.75 × 5,565.45
  4. Step 4: Simplify right side
    10,041.27x = 77,124,614.74
  5. Step 5: Solve for x
    x = 77,124,614.74/10,041.27
  6. Step 6: Final answer
    x = 7,680.76

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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.