Home / 10,531.71-14,527.28-6,280.05

Finding the Fourth Proportional to 10,531.71, 14,527.28 and 6,280.05

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Solution

The fourth proportional to 10,531.71, 14,527.28 and 6,280.05 is: 8,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.71 : 14,527.28 = 6,280.05 : x
  2. Step 2: Convert to fraction form
    10,531.71/14,527.28 = 6,280.05/x
  3. Step 3: Cross multiply
    10,531.71x = 14,527.28 × 6,280.05
  4. Step 4: Simplify right side
    10,531.71x = 91,232,013.36
  5. Step 5: Solve for x
    x = 91,232,013.36/10,531.71
  6. Step 6: Final answer
    x = 8,662.60

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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.