Home / 15,322.40-23,005.20-9,490.40

Finding the Fourth Proportional to 15,322.40, 23,005.20 and 9,490.40

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Solution

The fourth proportional to 15,322.40, 23,005.20 and 9,490.40 is: 14,248.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.40 : 23,005.20 = 9,490.40 : x
  2. Step 2: Convert to fraction form
    15,322.40/23,005.20 = 9,490.40/x
  3. Step 3: Cross multiply
    15,322.40x = 23,005.20 × 9,490.40
  4. Step 4: Simplify right side
    15,322.40x = 218,328,550.08
  5. Step 5: Solve for x
    x = 218,328,550.08/15,322.40
  6. Step 6: Final answer
    x = 14,248.98

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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.