Home / 11,290.34-15,580.65-6,254.87

Finding the Fourth Proportional to 11,290.34, 15,580.65 and 6,254.87

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Solution

The fourth proportional to 11,290.34, 15,580.65 and 6,254.87 is: 8,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.34 : 15,580.65 = 6,254.87 : x
  2. Step 2: Convert to fraction form
    11,290.34/15,580.65 = 6,254.87/x
  3. Step 3: Cross multiply
    11,290.34x = 15,580.65 × 6,254.87
  4. Step 4: Simplify right side
    11,290.34x = 97,454,973.46
  5. Step 5: Solve for x
    x = 97,454,973.46/11,290.34
  6. Step 6: Final answer
    x = 8,631.72

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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.