Home / 10,305.02-14,220.90-5,589.27

Finding the Fourth Proportional to 10,305.02, 14,220.90 and 5,589.27

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Solution

The fourth proportional to 10,305.02, 14,220.90 and 5,589.27 is: 7,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.02 : 14,220.90 = 5,589.27 : x
  2. Step 2: Convert to fraction form
    10,305.02/14,220.90 = 5,589.27/x
  3. Step 3: Cross multiply
    10,305.02x = 14,220.90 × 5,589.27
  4. Step 4: Simplify right side
    10,305.02x = 79,484,449.74
  5. Step 5: Solve for x
    x = 79,484,449.74/10,305.02
  6. Step 6: Final answer
    x = 7,713.18

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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.