Home / 14,702.46-20,289.80-7,988.52

Finding the Fourth Proportional to 14,702.46, 20,289.80 and 7,988.52

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Solution

The fourth proportional to 14,702.46, 20,289.80 and 7,988.52 is: 11,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.46 : 20,289.80 = 7,988.52 : x
  2. Step 2: Convert to fraction form
    14,702.46/20,289.80 = 7,988.52/x
  3. Step 3: Cross multiply
    14,702.46x = 20,289.80 × 7,988.52
  4. Step 4: Simplify right side
    14,702.46x = 162,085,473.10
  5. Step 5: Solve for x
    x = 162,085,473.10/14,702.46
  6. Step 6: Final answer
    x = 11,024.38

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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.