Home / 14,177.13-19,565.30-7,889.50

Finding the Fourth Proportional to 14,177.13, 19,565.30 and 7,889.50

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Solution

The fourth proportional to 14,177.13, 19,565.30 and 7,889.50 is: 10,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.13 : 19,565.30 = 7,889.50 : x
  2. Step 2: Convert to fraction form
    14,177.13/19,565.30 = 7,889.50/x
  3. Step 3: Cross multiply
    14,177.13x = 19,565.30 × 7,889.50
  4. Step 4: Simplify right side
    14,177.13x = 154,360,434.15
  5. Step 5: Solve for x
    x = 154,360,434.15/14,177.13
  6. Step 6: Final answer
    x = 10,887.99

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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.