Home / 15,426.80-23,140.20-9,508.40

Finding the Fourth Proportional to 15,426.80, 23,140.20 and 9,508.40

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Solution

The fourth proportional to 15,426.80, 23,140.20 and 9,508.40 is: 14,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.80 : 23,140.20 = 9,508.40 : x
  2. Step 2: Convert to fraction form
    15,426.80/23,140.20 = 9,508.40/x
  3. Step 3: Cross multiply
    15,426.80x = 23,140.20 × 9,508.40
  4. Step 4: Simplify right side
    15,426.80x = 220,026,277.68
  5. Step 5: Solve for x
    x = 220,026,277.68/15,426.80
  6. Step 6: Final answer
    x = 14,262.60

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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.