Home / 11,023.04-15,205.08-6,543.76

Finding the Fourth Proportional to 11,023.04, 15,205.08 and 6,543.76

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Solution

The fourth proportional to 11,023.04, 15,205.08 and 6,543.76 is: 9,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.04 : 15,205.08 = 6,543.76 : x
  2. Step 2: Convert to fraction form
    11,023.04/15,205.08 = 6,543.76/x
  3. Step 3: Cross multiply
    11,023.04x = 15,205.08 × 6,543.76
  4. Step 4: Simplify right side
    11,023.04x = 99,498,394.30
  5. Step 5: Solve for x
    x = 99,498,394.30/11,023.04
  6. Step 6: Final answer
    x = 9,026.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.