Home / 9,360.08-12,916.96-5,111.23

Finding the Fourth Proportional to 9,360.08, 12,916.96 and 5,111.23

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Solution

The fourth proportional to 9,360.08, 12,916.96 and 5,111.23 is: 7,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.08 : 12,916.96 = 5,111.23 : x
  2. Step 2: Convert to fraction form
    9,360.08/12,916.96 = 5,111.23/x
  3. Step 3: Cross multiply
    9,360.08x = 12,916.96 × 5,111.23
  4. Step 4: Simplify right side
    9,360.08x = 66,021,527.90
  5. Step 5: Solve for x
    x = 66,021,527.90/9,360.08
  6. Step 6: Final answer
    x = 7,053.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.