Home / 14,702.18-20,295.24-9,395.78

Finding the Fourth Proportional to 14,702.18, 20,295.24 and 9,395.78

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Solution

The fourth proportional to 14,702.18, 20,295.24 and 9,395.78 is: 12,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.18 : 20,295.24 = 9,395.78 : x
  2. Step 2: Convert to fraction form
    14,702.18/20,295.24 = 9,395.78/x
  3. Step 3: Cross multiply
    14,702.18x = 20,295.24 × 9,395.78
  4. Step 4: Simplify right side
    14,702.18x = 190,689,610.09
  5. Step 5: Solve for x
    x = 190,689,610.09/14,702.18
  6. Step 6: Final answer
    x = 12,970.16

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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.