Home / 15,552.40-23,328.60-11,178.40

Finding the Fourth Proportional to 15,552.40, 23,328.60 and 11,178.40

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Solution

The fourth proportional to 15,552.40, 23,328.60 and 11,178.40 is: 16,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.40 : 23,328.60 = 11,178.40 : x
  2. Step 2: Convert to fraction form
    15,552.40/23,328.60 = 11,178.40/x
  3. Step 3: Cross multiply
    15,552.40x = 23,328.60 × 11,178.40
  4. Step 4: Simplify right side
    15,552.40x = 260,776,422.24
  5. Step 5: Solve for x
    x = 260,776,422.24/15,552.40
  6. Step 6: Final answer
    x = 16,767.60

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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.