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Finding the Fourth Proportional to 12,547.95, 18,828.06 and 8,873.79

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Solution

The fourth proportional to 12,547.95, 18,828.06 and 8,873.79 is: 13,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.95 : 18,828.06 = 8,873.79 : x
  2. Step 2: Convert to fraction form
    12,547.95/18,828.06 = 8,873.79/x
  3. Step 3: Cross multiply
    12,547.95x = 18,828.06 × 8,873.79
  4. Step 4: Simplify right side
    12,547.95x = 167,076,250.55
  5. Step 5: Solve for x
    x = 167,076,250.55/12,547.95
  6. Step 6: Final answer
    x = 13,315.02

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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.