Home / 10,088.13-15,099.84-5,396.40

Finding the Fourth Proportional to 10,088.13, 15,099.84 and 5,396.40

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Solution

The fourth proportional to 10,088.13, 15,099.84 and 5,396.40 is: 8,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.13 : 15,099.84 = 5,396.40 : x
  2. Step 2: Convert to fraction form
    10,088.13/15,099.84 = 5,396.40/x
  3. Step 3: Cross multiply
    10,088.13x = 15,099.84 × 5,396.40
  4. Step 4: Simplify right side
    10,088.13x = 81,484,776.58
  5. Step 5: Solve for x
    x = 81,484,776.58/10,088.13
  6. Step 6: Final answer
    x = 8,077.29

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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.