Home / 9,831.08-14,779.02-9,109.64

Finding the Fourth Proportional to 9,831.08, 14,779.02 and 9,109.64

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Solution

The fourth proportional to 9,831.08, 14,779.02 and 9,109.64 is: 13,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.08 : 14,779.02 = 9,109.64 : x
  2. Step 2: Convert to fraction form
    9,831.08/14,779.02 = 9,109.64/x
  3. Step 3: Cross multiply
    9,831.08x = 14,779.02 × 9,109.64
  4. Step 4: Simplify right side
    9,831.08x = 134,631,551.75
  5. Step 5: Solve for x
    x = 134,631,551.75/9,831.08
  6. Step 6: Final answer
    x = 13,694.48

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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.