Home / 12,477.95-18,711.44-4,681.29

Finding the Fourth Proportional to 12,477.95, 18,711.44 and 4,681.29

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Solution

The fourth proportional to 12,477.95, 18,711.44 and 4,681.29 is: 7,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.95 : 18,711.44 = 4,681.29 : x
  2. Step 2: Convert to fraction form
    12,477.95/18,711.44 = 4,681.29/x
  3. Step 3: Cross multiply
    12,477.95x = 18,711.44 × 4,681.29
  4. Step 4: Simplify right side
    12,477.95x = 87,593,676.96
  5. Step 5: Solve for x
    x = 87,593,676.96/12,477.95
  6. Step 6: Final answer
    x = 7,019.88

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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.