Home / 14,347.07-21,480.68-7,311.91

Finding the Fourth Proportional to 14,347.07, 21,480.68 and 7,311.91

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Solution

The fourth proportional to 14,347.07, 21,480.68 and 7,311.91 is: 10,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.07 : 21,480.68 = 7,311.91 : x
  2. Step 2: Convert to fraction form
    14,347.07/21,480.68 = 7,311.91/x
  3. Step 3: Cross multiply
    14,347.07x = 21,480.68 × 7,311.91
  4. Step 4: Simplify right side
    14,347.07x = 157,064,798.90
  5. Step 5: Solve for x
    x = 157,064,798.90/14,347.07
  6. Step 6: Final answer
    x = 10,947.52

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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.