Home / 13,008.32-19,510.29-4,686.78

Finding the Fourth Proportional to 13,008.32, 19,510.29 and 4,686.78

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Solution

The fourth proportional to 13,008.32, 19,510.29 and 4,686.78 is: 7,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.32 : 19,510.29 = 4,686.78 : x
  2. Step 2: Convert to fraction form
    13,008.32/19,510.29 = 4,686.78/x
  3. Step 3: Cross multiply
    13,008.32x = 19,510.29 × 4,686.78
  4. Step 4: Simplify right side
    13,008.32x = 91,440,436.97
  5. Step 5: Solve for x
    x = 91,440,436.97/13,008.32
  6. Step 6: Final answer
    x = 7,029.38

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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.