Home / 13,125.57-19,688.13-3,264.95

Finding the Fourth Proportional to 13,125.57, 19,688.13 and 3,264.95

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Solution

The fourth proportional to 13,125.57, 19,688.13 and 3,264.95 is: 4,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.57 : 19,688.13 = 3,264.95 : x
  2. Step 2: Convert to fraction form
    13,125.57/19,688.13 = 3,264.95/x
  3. Step 3: Cross multiply
    13,125.57x = 19,688.13 × 3,264.95
  4. Step 4: Simplify right side
    13,125.57x = 64,280,661.60
  5. Step 5: Solve for x
    x = 64,280,661.60/13,125.57
  6. Step 6: Final answer
    x = 4,897.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.