Home / 14,631.14-21,959-13,708.50

Finding the Fourth Proportional to 14,631.14, 21,959 and 13,708.50

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Solution

The fourth proportional to 14,631.14, 21,959 and 13,708.50 is: 20,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.14 : 21,959 = 13,708.50 : x
  2. Step 2: Convert to fraction form
    14,631.14/21,959 = 13,708.50/x
  3. Step 3: Cross multiply
    14,631.14x = 21,959 × 13,708.50
  4. Step 4: Simplify right side
    14,631.14x = 301,024,951.50
  5. Step 5: Solve for x
    x = 301,024,951.50/14,631.14
  6. Step 6: Final answer
    x = 20,574.26

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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.