Home / 9,909.02-14,860.05-2,887.13

Finding the Fourth Proportional to 9,909.02, 14,860.05 and 2,887.13

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Solution

The fourth proportional to 9,909.02, 14,860.05 and 2,887.13 is: 4,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.02 : 14,860.05 = 2,887.13 : x
  2. Step 2: Convert to fraction form
    9,909.02/14,860.05 = 2,887.13/x
  3. Step 3: Cross multiply
    9,909.02x = 14,860.05 × 2,887.13
  4. Step 4: Simplify right side
    9,909.02x = 42,902,896.16
  5. Step 5: Solve for x
    x = 42,902,896.16/9,909.02
  6. Step 6: Final answer
    x = 4,329.68

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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.