Home / 13,875.97-20,810.85-4,013.05

Finding the Fourth Proportional to 13,875.97, 20,810.85 and 4,013.05

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Solution

The fourth proportional to 13,875.97, 20,810.85 and 4,013.05 is: 6,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.97 : 20,810.85 = 4,013.05 : x
  2. Step 2: Convert to fraction form
    13,875.97/20,810.85 = 4,013.05/x
  3. Step 3: Cross multiply
    13,875.97x = 20,810.85 × 4,013.05
  4. Step 4: Simplify right side
    13,875.97x = 83,514,981.59
  5. Step 5: Solve for x
    x = 83,514,981.59/13,875.97
  6. Step 6: Final answer
    x = 6,018.68

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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.