Home / 10,312.12-15,467.54-2,917.56

Finding the Fourth Proportional to 10,312.12, 15,467.54 and 2,917.56

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Solution

The fourth proportional to 10,312.12, 15,467.54 and 2,917.56 is: 4,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.12 : 15,467.54 = 2,917.56 : x
  2. Step 2: Convert to fraction form
    10,312.12/15,467.54 = 2,917.56/x
  3. Step 3: Cross multiply
    10,312.12x = 15,467.54 × 2,917.56
  4. Step 4: Simplify right side
    10,312.12x = 45,127,476.00
  5. Step 5: Solve for x
    x = 45,127,476.00/10,312.12
  6. Step 6: Final answer
    x = 4,376.16

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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.