Home / 10,126.70-13,981.35-6,355.04

Finding the Fourth Proportional to 10,126.70, 13,981.35 and 6,355.04

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Solution

The fourth proportional to 10,126.70, 13,981.35 and 6,355.04 is: 8,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.70 : 13,981.35 = 6,355.04 : x
  2. Step 2: Convert to fraction form
    10,126.70/13,981.35 = 6,355.04/x
  3. Step 3: Cross multiply
    10,126.70x = 13,981.35 × 6,355.04
  4. Step 4: Simplify right side
    10,126.70x = 88,852,038.50
  5. Step 5: Solve for x
    x = 88,852,038.50/10,126.70
  6. Step 6: Final answer
    x = 8,774.04

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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.