Home / 13,474.32-18,583.56-11,312.52

Finding the Fourth Proportional to 13,474.32, 18,583.56 and 11,312.52

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Solution

The fourth proportional to 13,474.32, 18,583.56 and 11,312.52 is: 15,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.32 : 18,583.56 = 11,312.52 : x
  2. Step 2: Convert to fraction form
    13,474.32/18,583.56 = 11,312.52/x
  3. Step 3: Cross multiply
    13,474.32x = 18,583.56 × 11,312.52
  4. Step 4: Simplify right side
    13,474.32x = 210,226,894.17
  5. Step 5: Solve for x
    x = 210,226,894.17/13,474.32
  6. Step 6: Final answer
    x = 15,602.04

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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.