Home / 15,693.60-23,518.80-11,071.20

Finding the Fourth Proportional to 15,693.60, 23,518.80 and 11,071.20

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Solution

The fourth proportional to 15,693.60, 23,518.80 and 11,071.20 is: 16,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.60 : 23,518.80 = 11,071.20 : x
  2. Step 2: Convert to fraction form
    15,693.60/23,518.80 = 11,071.20/x
  3. Step 3: Cross multiply
    15,693.60x = 23,518.80 × 11,071.20
  4. Step 4: Simplify right side
    15,693.60x = 260,381,338.56
  5. Step 5: Solve for x
    x = 260,381,338.56/15,693.60
  6. Step 6: Final answer
    x = 16,591.56

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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.