Home / 15,695.60-23,543.40-13,103.60

Finding the Fourth Proportional to 15,695.60, 23,543.40 and 13,103.60

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Solution

The fourth proportional to 15,695.60, 23,543.40 and 13,103.60 is: 19,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.60 : 23,543.40 = 13,103.60 : x
  2. Step 2: Convert to fraction form
    15,695.60/23,543.40 = 13,103.60/x
  3. Step 3: Cross multiply
    15,695.60x = 23,543.40 × 13,103.60
  4. Step 4: Simplify right side
    15,695.60x = 308,503,296.24
  5. Step 5: Solve for x
    x = 308,503,296.24/15,695.60
  6. Step 6: Final answer
    x = 19,655.40

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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.