Home / 10,777.08-14,872.20-6,061.36

Finding the Fourth Proportional to 10,777.08, 14,872.20 and 6,061.36

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Solution

The fourth proportional to 10,777.08, 14,872.20 and 6,061.36 is: 8,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.08 : 14,872.20 = 6,061.36 : x
  2. Step 2: Convert to fraction form
    10,777.08/14,872.20 = 6,061.36/x
  3. Step 3: Cross multiply
    10,777.08x = 14,872.20 × 6,061.36
  4. Step 4: Simplify right side
    10,777.08x = 90,145,758.19
  5. Step 5: Solve for x
    x = 90,145,758.19/10,777.08
  6. Step 6: Final answer
    x = 8,364.58

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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.