Home / 9,459.12-13,071.56-7,097.16

Finding the Fourth Proportional to 9,459.12, 13,071.56 and 7,097.16

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Solution

The fourth proportional to 9,459.12, 13,071.56 and 7,097.16 is: 9,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.12 : 13,071.56 = 7,097.16 : x
  2. Step 2: Convert to fraction form
    9,459.12/13,071.56 = 7,097.16/x
  3. Step 3: Cross multiply
    9,459.12x = 13,071.56 × 7,097.16
  4. Step 4: Simplify right side
    9,459.12x = 92,770,952.77
  5. Step 5: Solve for x
    x = 92,770,952.77/9,459.12
  6. Step 6: Final answer
    x = 9,807.57

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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.