Home / 15,447.05-23,113.16-9,210.45

Finding the Fourth Proportional to 15,447.05, 23,113.16 and 9,210.45

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Solution

The fourth proportional to 15,447.05, 23,113.16 and 9,210.45 is: 13,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.05 : 23,113.16 = 9,210.45 : x
  2. Step 2: Convert to fraction form
    15,447.05/23,113.16 = 9,210.45/x
  3. Step 3: Cross multiply
    15,447.05x = 23,113.16 × 9,210.45
  4. Step 4: Simplify right side
    15,447.05x = 212,882,558.47
  5. Step 5: Solve for x
    x = 212,882,558.47/15,447.05
  6. Step 6: Final answer
    x = 13,781.44

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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.