Home / 13,154.55-18,152.98-7,186.24

Finding the Fourth Proportional to 13,154.55, 18,152.98 and 7,186.24

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Solution

The fourth proportional to 13,154.55, 18,152.98 and 7,186.24 is: 9,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.55 : 18,152.98 = 7,186.24 : x
  2. Step 2: Convert to fraction form
    13,154.55/18,152.98 = 7,186.24/x
  3. Step 3: Cross multiply
    13,154.55x = 18,152.98 × 7,186.24
  4. Step 4: Simplify right side
    13,154.55x = 130,451,635.06
  5. Step 5: Solve for x
    x = 130,451,635.06/13,154.55
  6. Step 6: Final answer
    x = 9,916.85

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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.