Home / 15,887.12-23,826.80-5,354.40

Finding the Fourth Proportional to 15,887.12, 23,826.80 and 5,354.40

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Solution

The fourth proportional to 15,887.12, 23,826.80 and 5,354.40 is: 8,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.12 : 23,826.80 = 5,354.40 : x
  2. Step 2: Convert to fraction form
    15,887.12/23,826.80 = 5,354.40/x
  3. Step 3: Cross multiply
    15,887.12x = 23,826.80 × 5,354.40
  4. Step 4: Simplify right side
    15,887.12x = 127,578,217.92
  5. Step 5: Solve for x
    x = 127,578,217.92/15,887.12
  6. Step 6: Final answer
    x = 8,030.29

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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.