Home / 10,316.12-14,247.86-6,972.75

Finding the Fourth Proportional to 10,316.12, 14,247.86 and 6,972.75

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Solution

The fourth proportional to 10,316.12, 14,247.86 and 6,972.75 is: 9,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.12 : 14,247.86 = 6,972.75 : x
  2. Step 2: Convert to fraction form
    10,316.12/14,247.86 = 6,972.75/x
  3. Step 3: Cross multiply
    10,316.12x = 14,247.86 × 6,972.75
  4. Step 4: Simplify right side
    10,316.12x = 99,346,730.95
  5. Step 5: Solve for x
    x = 99,346,730.95/10,316.12
  6. Step 6: Final answer
    x = 9,630.25

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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.