Home / 14,254.75-19,671.05-7,880.95

Finding the Fourth Proportional to 14,254.75, 19,671.05 and 7,880.95

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Solution

The fourth proportional to 14,254.75, 19,671.05 and 7,880.95 is: 10,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.75 : 19,671.05 = 7,880.95 : x
  2. Step 2: Convert to fraction form
    14,254.75/19,671.05 = 7,880.95/x
  3. Step 3: Cross multiply
    14,254.75x = 19,671.05 × 7,880.95
  4. Step 4: Simplify right side
    14,254.75x = 155,026,423.74
  5. Step 5: Solve for x
    x = 155,026,423.74/14,254.75
  6. Step 6: Final answer
    x = 10,875.43

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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.