Home / 9,896.95-13,656.90-5,649.04

Finding the Fourth Proportional to 9,896.95, 13,656.90 and 5,649.04

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Solution

The fourth proportional to 9,896.95, 13,656.90 and 5,649.04 is: 7,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.95 : 13,656.90 = 5,649.04 : x
  2. Step 2: Convert to fraction form
    9,896.95/13,656.90 = 5,649.04/x
  3. Step 3: Cross multiply
    9,896.95x = 13,656.90 × 5,649.04
  4. Step 4: Simplify right side
    9,896.95x = 77,148,374.38
  5. Step 5: Solve for x
    x = 77,148,374.38/9,896.95
  6. Step 6: Final answer
    x = 7,795.17

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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.