Home / 15,580.20-23,370.30-9,359.40

Finding the Fourth Proportional to 15,580.20, 23,370.30 and 9,359.40

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Solution

The fourth proportional to 15,580.20, 23,370.30 and 9,359.40 is: 14,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580.20 : 23,370.30 = 9,359.40 : x
  2. Step 2: Convert to fraction form
    15,580.20/23,370.30 = 9,359.40/x
  3. Step 3: Cross multiply
    15,580.20x = 23,370.30 × 9,359.40
  4. Step 4: Simplify right side
    15,580.20x = 218,731,985.82
  5. Step 5: Solve for x
    x = 218,731,985.82/15,580.20
  6. Step 6: Final answer
    x = 14,039.10

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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.