Home / 14,292.72-19,695.87-10,939.32

Finding the Fourth Proportional to 14,292.72, 19,695.87 and 10,939.32

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Solution

The fourth proportional to 14,292.72, 19,695.87 and 10,939.32 is: 15,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.72 : 19,695.87 = 10,939.32 : x
  2. Step 2: Convert to fraction form
    14,292.72/19,695.87 = 10,939.32/x
  3. Step 3: Cross multiply
    14,292.72x = 19,695.87 × 10,939.32
  4. Step 4: Simplify right side
    14,292.72x = 215,459,424.61
  5. Step 5: Solve for x
    x = 215,459,424.61/14,292.72
  6. Step 6: Final answer
    x = 15,074.77

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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.