Home / 12,477.08-18,701.50-4,155.14

Finding the Fourth Proportional to 12,477.08, 18,701.50 and 4,155.14

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Solution

The fourth proportional to 12,477.08, 18,701.50 and 4,155.14 is: 6,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.08 : 18,701.50 = 4,155.14 : x
  2. Step 2: Convert to fraction form
    12,477.08/18,701.50 = 4,155.14/x
  3. Step 3: Cross multiply
    12,477.08x = 18,701.50 × 4,155.14
  4. Step 4: Simplify right side
    12,477.08x = 77,707,350.71
  5. Step 5: Solve for x
    x = 77,707,350.71/12,477.08
  6. Step 6: Final answer
    x = 6,228.01

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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.