Home / 14,666.38-21,999.93-5,307.28

Finding the Fourth Proportional to 14,666.38, 21,999.93 and 5,307.28

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Solution

The fourth proportional to 14,666.38, 21,999.93 and 5,307.28 is: 7,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.38 : 21,999.93 = 5,307.28 : x
  2. Step 2: Convert to fraction form
    14,666.38/21,999.93 = 5,307.28/x
  3. Step 3: Cross multiply
    14,666.38x = 21,999.93 × 5,307.28
  4. Step 4: Simplify right side
    14,666.38x = 116,759,651.95
  5. Step 5: Solve for x
    x = 116,759,651.95/14,666.38
  6. Step 6: Final answer
    x = 7,961.04

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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.