Home / 15,445.20-23,167.80-14,840.40

Finding the Fourth Proportional to 15,445.20, 23,167.80 and 14,840.40

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Solution

The fourth proportional to 15,445.20, 23,167.80 and 14,840.40 is: 22,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.20 : 23,167.80 = 14,840.40 : x
  2. Step 2: Convert to fraction form
    15,445.20/23,167.80 = 14,840.40/x
  3. Step 3: Cross multiply
    15,445.20x = 23,167.80 × 14,840.40
  4. Step 4: Simplify right side
    15,445.20x = 343,819,419.12
  5. Step 5: Solve for x
    x = 343,819,419.12/15,445.20
  6. Step 6: Final answer
    x = 22,260.60

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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.