Home / 9,864.48-13,615.56-6,090.90

Finding the Fourth Proportional to 9,864.48, 13,615.56 and 6,090.90

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Solution

The fourth proportional to 9,864.48, 13,615.56 and 6,090.90 is: 8,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.48 : 13,615.56 = 6,090.90 : x
  2. Step 2: Convert to fraction form
    9,864.48/13,615.56 = 6,090.90/x
  3. Step 3: Cross multiply
    9,864.48x = 13,615.56 × 6,090.90
  4. Step 4: Simplify right side
    9,864.48x = 82,931,014.40
  5. Step 5: Solve for x
    x = 82,931,014.40/9,864.48
  6. Step 6: Final answer
    x = 8,407.03

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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.