Home / 9,823.81-13,557.15-5,347.86

Finding the Fourth Proportional to 9,823.81, 13,557.15 and 5,347.86

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Solution

The fourth proportional to 9,823.81, 13,557.15 and 5,347.86 is: 7,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,823.81 : 13,557.15 = 5,347.86 : x
  2. Step 2: Convert to fraction form
    9,823.81/13,557.15 = 5,347.86/x
  3. Step 3: Cross multiply
    9,823.81x = 13,557.15 × 5,347.86
  4. Step 4: Simplify right side
    9,823.81x = 72,501,740.20
  5. Step 5: Solve for x
    x = 72,501,740.20/9,823.81
  6. Step 6: Final answer
    x = 7,380.21

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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.