Home / 13,529.64-18,670.20-7,560.14

Finding the Fourth Proportional to 13,529.64, 18,670.20 and 7,560.14

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Solution

The fourth proportional to 13,529.64, 18,670.20 and 7,560.14 is: 10,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.64 : 18,670.20 = 7,560.14 : x
  2. Step 2: Convert to fraction form
    13,529.64/18,670.20 = 7,560.14/x
  3. Step 3: Cross multiply
    13,529.64x = 18,670.20 × 7,560.14
  4. Step 4: Simplify right side
    13,529.64x = 141,149,298.05
  5. Step 5: Solve for x
    x = 141,149,298.05/13,529.64
  6. Step 6: Final answer
    x = 10,432.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.