Home / 10,872.06-16,307.93-4,298.16

Finding the Fourth Proportional to 10,872.06, 16,307.93 and 4,298.16

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Solution

The fourth proportional to 10,872.06, 16,307.93 and 4,298.16 is: 6,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.06 : 16,307.93 = 4,298.16 : x
  2. Step 2: Convert to fraction form
    10,872.06/16,307.93 = 4,298.16/x
  3. Step 3: Cross multiply
    10,872.06x = 16,307.93 × 4,298.16
  4. Step 4: Simplify right side
    10,872.06x = 70,094,164.31
  5. Step 5: Solve for x
    x = 70,094,164.31/10,872.06
  6. Step 6: Final answer
    x = 6,447.19

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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.