Home / 9,720.06-13,412.16-5,527.50

Finding the Fourth Proportional to 9,720.06, 13,412.16 and 5,527.50

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Solution

The fourth proportional to 9,720.06, 13,412.16 and 5,527.50 is: 7,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.06 : 13,412.16 = 5,527.50 : x
  2. Step 2: Convert to fraction form
    9,720.06/13,412.16 = 5,527.50/x
  3. Step 3: Cross multiply
    9,720.06x = 13,412.16 × 5,527.50
  4. Step 4: Simplify right side
    9,720.06x = 74,135,714.40
  5. Step 5: Solve for x
    x = 74,135,714.40/9,720.06
  6. Step 6: Final answer
    x = 7,627.08

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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.