Home / 12,547.54-18,818.25-4,225.39

Finding the Fourth Proportional to 12,547.54, 18,818.25 and 4,225.39

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Solution

The fourth proportional to 12,547.54, 18,818.25 and 4,225.39 is: 6,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.54 : 18,818.25 = 4,225.39 : x
  2. Step 2: Convert to fraction form
    12,547.54/18,818.25 = 4,225.39/x
  3. Step 3: Cross multiply
    12,547.54x = 18,818.25 × 4,225.39
  4. Step 4: Simplify right side
    12,547.54x = 79,514,445.37
  5. Step 5: Solve for x
    x = 79,514,445.37/12,547.54
  6. Step 6: Final answer
    x = 6,337.05

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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.