Home / 15,977.51-23,966.41-4,290.72

Finding the Fourth Proportional to 15,977.51, 23,966.41 and 4,290.72

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Solution

The fourth proportional to 15,977.51, 23,966.41 and 4,290.72 is: 6,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.51 : 23,966.41 = 4,290.72 : x
  2. Step 2: Convert to fraction form
    15,977.51/23,966.41 = 4,290.72/x
  3. Step 3: Cross multiply
    15,977.51x = 23,966.41 × 4,290.72
  4. Step 4: Simplify right side
    15,977.51x = 102,833,133.26
  5. Step 5: Solve for x
    x = 102,833,133.26/15,977.51
  6. Step 6: Final answer
    x = 6,436.12

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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.