Home / 13,125.51-19,688.24-3,264.78

Finding the Fourth Proportional to 13,125.51, 19,688.24 and 3,264.78

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Solution

The fourth proportional to 13,125.51, 19,688.24 and 3,264.78 is: 4,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.51 : 19,688.24 = 3,264.78 : x
  2. Step 2: Convert to fraction form
    13,125.51/19,688.24 = 3,264.78/x
  3. Step 3: Cross multiply
    13,125.51x = 19,688.24 × 3,264.78
  4. Step 4: Simplify right side
    13,125.51x = 64,277,780.35
  5. Step 5: Solve for x
    x = 64,277,780.35/13,125.51
  6. Step 6: Final answer
    x = 4,897.16

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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.