Home / 10,779.52-16,166.40-7,267.48

Finding the Fourth Proportional to 10,779.52, 16,166.40 and 7,267.48

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Solution

The fourth proportional to 10,779.52, 16,166.40 and 7,267.48 is: 10,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.52 : 16,166.40 = 7,267.48 : x
  2. Step 2: Convert to fraction form
    10,779.52/16,166.40 = 7,267.48/x
  3. Step 3: Cross multiply
    10,779.52x = 16,166.40 × 7,267.48
  4. Step 4: Simplify right side
    10,779.52x = 117,488,988.67
  5. Step 5: Solve for x
    x = 117,488,988.67/10,779.52
  6. Step 6: Final answer
    x = 10,899.28

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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.