Home / 10,543.77-15,821.30-6,845.13

Finding the Fourth Proportional to 10,543.77, 15,821.30 and 6,845.13

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Solution

The fourth proportional to 10,543.77, 15,821.30 and 6,845.13 is: 10,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.77 : 15,821.30 = 6,845.13 : x
  2. Step 2: Convert to fraction form
    10,543.77/15,821.30 = 6,845.13/x
  3. Step 3: Cross multiply
    10,543.77x = 15,821.30 × 6,845.13
  4. Step 4: Simplify right side
    10,543.77x = 108,298,821.04
  5. Step 5: Solve for x
    x = 108,298,821.04/10,543.77
  6. Step 6: Final answer
    x = 10,271.36

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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.