Home / 10,886.94-15,025.50-6,637.55

Finding the Fourth Proportional to 10,886.94, 15,025.50 and 6,637.55

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Solution

The fourth proportional to 10,886.94, 15,025.50 and 6,637.55 is: 9,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.94 : 15,025.50 = 6,637.55 : x
  2. Step 2: Convert to fraction form
    10,886.94/15,025.50 = 6,637.55/x
  3. Step 3: Cross multiply
    10,886.94x = 15,025.50 × 6,637.55
  4. Step 4: Simplify right side
    10,886.94x = 99,732,432.40
  5. Step 5: Solve for x
    x = 99,732,432.40/10,886.94
  6. Step 6: Final answer
    x = 9,160.74

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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.