Home / 14,276.52-19,702.04-7,988.88

Finding the Fourth Proportional to 14,276.52, 19,702.04 and 7,988.88

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Solution

The fourth proportional to 14,276.52, 19,702.04 and 7,988.88 is: 11,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.52 : 19,702.04 = 7,988.88 : x
  2. Step 2: Convert to fraction form
    14,276.52/19,702.04 = 7,988.88/x
  3. Step 3: Cross multiply
    14,276.52x = 19,702.04 × 7,988.88
  4. Step 4: Simplify right side
    14,276.52x = 157,397,233.32
  5. Step 5: Solve for x
    x = 157,397,233.32/14,276.52
  6. Step 6: Final answer
    x = 11,024.90

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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.