Home / 15,681.67-23,510.41-13,598.80

Finding the Fourth Proportional to 15,681.67, 23,510.41 and 13,598.80

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Solution

The fourth proportional to 15,681.67, 23,510.41 and 13,598.80 is: 20,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.67 : 23,510.41 = 13,598.80 : x
  2. Step 2: Convert to fraction form
    15,681.67/23,510.41 = 13,598.80/x
  3. Step 3: Cross multiply
    15,681.67x = 23,510.41 × 13,598.80
  4. Step 4: Simplify right side
    15,681.67x = 319,713,363.51
  5. Step 5: Solve for x
    x = 319,713,363.51/15,681.67
  6. Step 6: Final answer
    x = 20,387.71

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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.