Home / 10,278.18-15,409.80-6,108.30

Finding the Fourth Proportional to 10,278.18, 15,409.80 and 6,108.30

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Solution

The fourth proportional to 10,278.18, 15,409.80 and 6,108.30 is: 9,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.18 : 15,409.80 = 6,108.30 : x
  2. Step 2: Convert to fraction form
    10,278.18/15,409.80 = 6,108.30/x
  3. Step 3: Cross multiply
    10,278.18x = 15,409.80 × 6,108.30
  4. Step 4: Simplify right side
    10,278.18x = 94,127,681.34
  5. Step 5: Solve for x
    x = 94,127,681.34/10,278.18
  6. Step 6: Final answer
    x = 9,158.01

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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.