Home / 15,476.51-23,214.80-5,615.79

Finding the Fourth Proportional to 15,476.51, 23,214.80 and 5,615.79

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Solution

The fourth proportional to 15,476.51, 23,214.80 and 5,615.79 is: 8,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.51 : 23,214.80 = 5,615.79 : x
  2. Step 2: Convert to fraction form
    15,476.51/23,214.80 = 5,615.79/x
  3. Step 3: Cross multiply
    15,476.51x = 23,214.80 × 5,615.79
  4. Step 4: Simplify right side
    15,476.51x = 130,369,413.61
  5. Step 5: Solve for x
    x = 130,369,413.61/15,476.51
  6. Step 6: Final answer
    x = 8,423.70

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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.