Home / 10,184.04-15,206.76-8,988.12

Finding the Fourth Proportional to 10,184.04, 15,206.76 and 8,988.12

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Solution

The fourth proportional to 10,184.04, 15,206.76 and 8,988.12 is: 13,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,184.04 : 15,206.76 = 8,988.12 : x
  2. Step 2: Convert to fraction form
    10,184.04/15,206.76 = 8,988.12/x
  3. Step 3: Cross multiply
    10,184.04x = 15,206.76 × 8,988.12
  4. Step 4: Simplify right side
    10,184.04x = 136,680,183.69
  5. Step 5: Solve for x
    x = 136,680,183.69/10,184.04
  6. Step 6: Final answer
    x = 13,421.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.