Home / 11,289.93-15,580.98-6,254.63

Finding the Fourth Proportional to 11,289.93, 15,580.98 and 6,254.63

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Solution

The fourth proportional to 11,289.93, 15,580.98 and 6,254.63 is: 8,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.93 : 15,580.98 = 6,254.63 : x
  2. Step 2: Convert to fraction form
    11,289.93/15,580.98 = 6,254.63/x
  3. Step 3: Cross multiply
    11,289.93x = 15,580.98 × 6,254.63
  4. Step 4: Simplify right side
    11,289.93x = 97,453,264.94
  5. Step 5: Solve for x
    x = 97,453,264.94/11,289.93
  6. Step 6: Final answer
    x = 8,631.88

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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.