Home / 16,428.95-22,671.92-8,875.26

Finding the Fourth Proportional to 16,428.95, 22,671.92 and 8,875.26

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Solution

The fourth proportional to 16,428.95, 22,671.92 and 8,875.26 is: 12,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.95 : 22,671.92 = 8,875.26 : x
  2. Step 2: Convert to fraction form
    16,428.95/22,671.92 = 8,875.26/x
  3. Step 3: Cross multiply
    16,428.95x = 22,671.92 × 8,875.26
  4. Step 4: Simplify right side
    16,428.95x = 201,219,088.59
  5. Step 5: Solve for x
    x = 201,219,088.59/16,428.95
  6. Step 6: Final answer
    x = 12,247.84

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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.