Home / 9,360.19-12,911.29-5,580.93

Finding the Fourth Proportional to 9,360.19, 12,911.29 and 5,580.93

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Solution

The fourth proportional to 9,360.19, 12,911.29 and 5,580.93 is: 7,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.19 : 12,911.29 = 5,580.93 : x
  2. Step 2: Convert to fraction form
    9,360.19/12,911.29 = 5,580.93/x
  3. Step 3: Cross multiply
    9,360.19x = 12,911.29 × 5,580.93
  4. Step 4: Simplify right side
    9,360.19x = 72,057,005.70
  5. Step 5: Solve for x
    x = 72,057,005.70/9,360.19
  6. Step 6: Final answer
    x = 7,698.24

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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.