Home / 15,036.61-20,740.84-10,323.49

Finding the Fourth Proportional to 15,036.61, 20,740.84 and 10,323.49

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Solution

The fourth proportional to 15,036.61, 20,740.84 and 10,323.49 is: 14,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036.61 : 20,740.84 = 10,323.49 : x
  2. Step 2: Convert to fraction form
    15,036.61/20,740.84 = 10,323.49/x
  3. Step 3: Cross multiply
    15,036.61x = 20,740.84 × 10,323.49
  4. Step 4: Simplify right side
    15,036.61x = 214,117,854.33
  5. Step 5: Solve for x
    x = 214,117,854.33/15,036.61
  6. Step 6: Final answer
    x = 14,239.77

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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.