Home / 10,538.10-14,543.28-6,998.94

Finding the Fourth Proportional to 10,538.10, 14,543.28 and 6,998.94

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Solution

The fourth proportional to 10,538.10, 14,543.28 and 6,998.94 is: 9,659.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.10 : 14,543.28 = 6,998.94 : x
  2. Step 2: Convert to fraction form
    10,538.10/14,543.28 = 6,998.94/x
  3. Step 3: Cross multiply
    10,538.10x = 14,543.28 × 6,998.94
  4. Step 4: Simplify right side
    10,538.10x = 101,787,544.12
  5. Step 5: Solve for x
    x = 101,787,544.12/10,538.10
  6. Step 6: Final answer
    x = 9,659.00

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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.