Home / 13,492.60-18,612.30-7,902.52

Finding the Fourth Proportional to 13,492.60, 18,612.30 and 7,902.52

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Solution

The fourth proportional to 13,492.60, 18,612.30 and 7,902.52 is: 10,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.60 : 18,612.30 = 7,902.52 : x
  2. Step 2: Convert to fraction form
    13,492.60/18,612.30 = 7,902.52/x
  3. Step 3: Cross multiply
    13,492.60x = 18,612.30 × 7,902.52
  4. Step 4: Simplify right side
    13,492.60x = 147,084,073.00
  5. Step 5: Solve for x
    x = 147,084,073.00/13,492.60
  6. Step 6: Final answer
    x = 10,901.09

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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.