Home / 9,643.23-13,313.47-6,291.86

Finding the Fourth Proportional to 9,643.23, 13,313.47 and 6,291.86

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Solution

The fourth proportional to 9,643.23, 13,313.47 and 6,291.86 is: 8,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.23 : 13,313.47 = 6,291.86 : x
  2. Step 2: Convert to fraction form
    9,643.23/13,313.47 = 6,291.86/x
  3. Step 3: Cross multiply
    9,643.23x = 13,313.47 × 6,291.86
  4. Step 4: Simplify right side
    9,643.23x = 83,766,407.06
  5. Step 5: Solve for x
    x = 83,766,407.06/9,643.23
  6. Step 6: Final answer
    x = 8,686.55

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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.