Home / 12,617.35-18,925.81-4,303.15

Finding the Fourth Proportional to 12,617.35, 18,925.81 and 4,303.15

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Solution

The fourth proportional to 12,617.35, 18,925.81 and 4,303.15 is: 6,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.35 : 18,925.81 = 4,303.15 : x
  2. Step 2: Convert to fraction form
    12,617.35/18,925.81 = 4,303.15/x
  3. Step 3: Cross multiply
    12,617.35x = 18,925.81 × 4,303.15
  4. Step 4: Simplify right side
    12,617.35x = 81,440,541.23
  5. Step 5: Solve for x
    x = 81,440,541.23/12,617.35
  6. Step 6: Final answer
    x = 6,454.65

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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.