Home / 14,138.13-19,510.56-7,850.52

Finding the Fourth Proportional to 14,138.13, 19,510.56 and 7,850.52

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Solution

The fourth proportional to 14,138.13, 19,510.56 and 7,850.52 is: 10,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.13 : 19,510.56 = 7,850.52 : x
  2. Step 2: Convert to fraction form
    14,138.13/19,510.56 = 7,850.52/x
  3. Step 3: Cross multiply
    14,138.13x = 19,510.56 × 7,850.52
  4. Step 4: Simplify right side
    14,138.13x = 153,168,041.49
  5. Step 5: Solve for x
    x = 153,168,041.49/14,138.13
  6. Step 6: Final answer
    x = 10,833.68

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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.