Home / 21,363.24-29,446.02-14,287.08

Finding the Fourth Proportional to 21,363.24, 29,446.02 and 14,287.08

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Solution

The fourth proportional to 21,363.24, 29,446.02 and 14,287.08 is: 19,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.24 : 29,446.02 = 14,287.08 : x
  2. Step 2: Convert to fraction form
    21,363.24/29,446.02 = 14,287.08/x
  3. Step 3: Cross multiply
    21,363.24x = 29,446.02 × 14,287.08
  4. Step 4: Simplify right side
    21,363.24x = 420,697,643.42
  5. Step 5: Solve for x
    x = 420,697,643.42/21,363.24
  6. Step 6: Final answer
    x = 19,692.60

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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.