Home / 11,312.06-15,610.90-6,276.12

Finding the Fourth Proportional to 11,312.06, 15,610.90 and 6,276.12

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Solution

The fourth proportional to 11,312.06, 15,610.90 and 6,276.12 is: 8,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.06 : 15,610.90 = 6,276.12 : x
  2. Step 2: Convert to fraction form
    11,312.06/15,610.90 = 6,276.12/x
  3. Step 3: Cross multiply
    11,312.06x = 15,610.90 × 6,276.12
  4. Step 4: Simplify right side
    11,312.06x = 97,975,881.71
  5. Step 5: Solve for x
    x = 97,975,881.71/11,312.06
  6. Step 6: Final answer
    x = 8,661.19

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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.