Home / 15,678.41-23,505.54-13,595.55

Finding the Fourth Proportional to 15,678.41, 23,505.54 and 13,595.55

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Solution

The fourth proportional to 15,678.41, 23,505.54 and 13,595.55 is: 20,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.41 : 23,505.54 = 13,595.55 : x
  2. Step 2: Convert to fraction form
    15,678.41/23,505.54 = 13,595.55/x
  3. Step 3: Cross multiply
    15,678.41x = 23,505.54 × 13,595.55
  4. Step 4: Simplify right side
    15,678.41x = 319,570,681.69
  5. Step 5: Solve for x
    x = 319,570,681.69/15,678.41
  6. Step 6: Final answer
    x = 20,382.85

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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.