Home / 11,312.61-16,980.31-10,004.97

Finding the Fourth Proportional to 11,312.61, 16,980.31 and 10,004.97

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Solution

The fourth proportional to 11,312.61, 16,980.31 and 10,004.97 is: 15,017.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.61 : 16,980.31 = 10,004.97 : x
  2. Step 2: Convert to fraction form
    11,312.61/16,980.31 = 10,004.97/x
  3. Step 3: Cross multiply
    11,312.61x = 16,980.31 × 10,004.97
  4. Step 4: Simplify right side
    11,312.61x = 169,887,492.14
  5. Step 5: Solve for x
    x = 169,887,492.14/11,312.61
  6. Step 6: Final answer
    x = 15,017.53

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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.