Home / 14,296.90-21,458.42-7,281.76

Finding the Fourth Proportional to 14,296.90, 21,458.42 and 7,281.76

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Solution

The fourth proportional to 14,296.90, 21,458.42 and 7,281.76 is: 10,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.90 : 21,458.42 = 7,281.76 : x
  2. Step 2: Convert to fraction form
    14,296.90/21,458.42 = 7,281.76/x
  3. Step 3: Cross multiply
    14,296.90x = 21,458.42 × 7,281.76
  4. Step 4: Simplify right side
    14,296.90x = 156,255,064.42
  5. Step 5: Solve for x
    x = 156,255,064.42/14,296.90
  6. Step 6: Final answer
    x = 10,929.30

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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.