Home / 12,369.48-18,538.70-8,841.16

Finding the Fourth Proportional to 12,369.48, 18,538.70 and 8,841.16

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Solution

The fourth proportional to 12,369.48, 18,538.70 and 8,841.16 is: 13,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.48 : 18,538.70 = 8,841.16 : x
  2. Step 2: Convert to fraction form
    12,369.48/18,538.70 = 8,841.16/x
  3. Step 3: Cross multiply
    12,369.48x = 18,538.70 × 8,841.16
  4. Step 4: Simplify right side
    12,369.48x = 163,903,612.89
  5. Step 5: Solve for x
    x = 163,903,612.89/12,369.48
  6. Step 6: Final answer
    x = 13,250.65

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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.