Home / 10,184.16-15,154.28-10,149.60

Finding the Fourth Proportional to 10,184.16, 15,154.28 and 10,149.60

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Solution

The fourth proportional to 10,184.16, 15,154.28 and 10,149.60 is: 15,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,184.16 : 15,154.28 = 10,149.60 : x
  2. Step 2: Convert to fraction form
    10,184.16/15,154.28 = 10,149.60/x
  3. Step 3: Cross multiply
    10,184.16x = 15,154.28 × 10,149.60
  4. Step 4: Simplify right side
    10,184.16x = 153,809,880.29
  5. Step 5: Solve for x
    x = 153,809,880.29/10,184.16
  6. Step 6: Final answer
    x = 15,102.85

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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.