Home / 10,296.90-14,208.45-7,311.65

Finding the Fourth Proportional to 10,296.90, 14,208.45 and 7,311.65

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Solution

The fourth proportional to 10,296.90, 14,208.45 and 7,311.65 is: 10,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296.90 : 14,208.45 = 7,311.65 : x
  2. Step 2: Convert to fraction form
    10,296.90/14,208.45 = 7,311.65/x
  3. Step 3: Cross multiply
    10,296.90x = 14,208.45 × 7,311.65
  4. Step 4: Simplify right side
    10,296.90x = 103,887,142.40
  5. Step 5: Solve for x
    x = 103,887,142.40/10,296.90
  6. Step 6: Final answer
    x = 10,089.17

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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.