Home / 13,315.65-19,937.69-10,671.27

Finding the Fourth Proportional to 13,315.65, 19,937.69 and 10,671.27

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Solution

The fourth proportional to 13,315.65, 19,937.69 and 10,671.27 is: 15,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.65 : 19,937.69 = 10,671.27 : x
  2. Step 2: Convert to fraction form
    13,315.65/19,937.69 = 10,671.27/x
  3. Step 3: Cross multiply
    13,315.65x = 19,937.69 × 10,671.27
  4. Step 4: Simplify right side
    13,315.65x = 212,760,473.17
  5. Step 5: Solve for x
    x = 212,760,473.17/13,315.65
  6. Step 6: Final answer
    x = 15,978.23

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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.