Home / 15,618.51-23,427.72-3,931.72

Finding the Fourth Proportional to 15,618.51, 23,427.72 and 3,931.72

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Solution

The fourth proportional to 15,618.51, 23,427.72 and 3,931.72 is: 5,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.51 : 23,427.72 = 3,931.72 : x
  2. Step 2: Convert to fraction form
    15,618.51/23,427.72 = 3,931.72/x
  3. Step 3: Cross multiply
    15,618.51x = 23,427.72 × 3,931.72
  4. Step 4: Simplify right side
    15,618.51x = 92,111,176.71
  5. Step 5: Solve for x
    x = 92,111,176.71/15,618.51
  6. Step 6: Final answer
    x = 5,897.56

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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.