Home / 10,948.19-15,108.81-6,699.18

Finding the Fourth Proportional to 10,948.19, 15,108.81 and 6,699.18

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Solution

The fourth proportional to 10,948.19, 15,108.81 and 6,699.18 is: 9,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.19 : 15,108.81 = 6,699.18 : x
  2. Step 2: Convert to fraction form
    10,948.19/15,108.81 = 6,699.18/x
  3. Step 3: Cross multiply
    10,948.19x = 15,108.81 × 6,699.18
  4. Step 4: Simplify right side
    10,948.19x = 101,216,572.50
  5. Step 5: Solve for x
    x = 101,216,572.50/10,948.19
  6. Step 6: Final answer
    x = 9,245.05

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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.