Home / 14,606.52-20,147.29-9,307.90

Finding the Fourth Proportional to 14,606.52, 20,147.29 and 9,307.90

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Solution

The fourth proportional to 14,606.52, 20,147.29 and 9,307.90 is: 12,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.52 : 20,147.29 = 9,307.90 : x
  2. Step 2: Convert to fraction form
    14,606.52/20,147.29 = 9,307.90/x
  3. Step 3: Cross multiply
    14,606.52x = 20,147.29 × 9,307.90
  4. Step 4: Simplify right side
    14,606.52x = 187,528,960.59
  5. Step 5: Solve for x
    x = 187,528,960.59/14,606.52
  6. Step 6: Final answer
    x = 12,838.72

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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.