Home / 12,445.02-18,667.29-4,547.49

Finding the Fourth Proportional to 12,445.02, 18,667.29 and 4,547.49

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Solution

The fourth proportional to 12,445.02, 18,667.29 and 4,547.49 is: 6,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.02 : 18,667.29 = 4,547.49 : x
  2. Step 2: Convert to fraction form
    12,445.02/18,667.29 = 4,547.49/x
  3. Step 3: Cross multiply
    12,445.02x = 18,667.29 × 4,547.49
  4. Step 4: Simplify right side
    12,445.02x = 84,889,314.60
  5. Step 5: Solve for x
    x = 84,889,314.60/12,445.02
  6. Step 6: Final answer
    x = 6,821.15

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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.