Home / 14,038.75-21,061.77-5,276.17

Finding the Fourth Proportional to 14,038.75, 21,061.77 and 5,276.17

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Solution

The fourth proportional to 14,038.75, 21,061.77 and 5,276.17 is: 7,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.75 : 21,061.77 = 5,276.17 : x
  2. Step 2: Convert to fraction form
    14,038.75/21,061.77 = 5,276.17/x
  3. Step 3: Cross multiply
    14,038.75x = 21,061.77 × 5,276.17
  4. Step 4: Simplify right side
    14,038.75x = 111,125,479.02
  5. Step 5: Solve for x
    x = 111,125,479.02/14,038.75
  6. Step 6: Final answer
    x = 7,915.62

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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.