Home / 14,681.53-20,270.27-8,715.12

Finding the Fourth Proportional to 14,681.53, 20,270.27 and 8,715.12

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Solution

The fourth proportional to 14,681.53, 20,270.27 and 8,715.12 is: 12,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.53 : 20,270.27 = 8,715.12 : x
  2. Step 2: Convert to fraction form
    14,681.53/20,270.27 = 8,715.12/x
  3. Step 3: Cross multiply
    14,681.53x = 20,270.27 × 8,715.12
  4. Step 4: Simplify right side
    14,681.53x = 176,657,835.48
  5. Step 5: Solve for x
    x = 176,657,835.48/14,681.53
  6. Step 6: Final answer
    x = 12,032.66

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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.