Home / 9,459.95-13,054.46-5,427.45

Finding the Fourth Proportional to 9,459.95, 13,054.46 and 5,427.45

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Solution

The fourth proportional to 9,459.95, 13,054.46 and 5,427.45 is: 7,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.95 : 13,054.46 = 5,427.45 : x
  2. Step 2: Convert to fraction form
    9,459.95/13,054.46 = 5,427.45/x
  3. Step 3: Cross multiply
    9,459.95x = 13,054.46 × 5,427.45
  4. Step 4: Simplify right side
    9,459.95x = 70,852,401.79
  5. Step 5: Solve for x
    x = 70,852,401.79/9,459.95
  6. Step 6: Final answer
    x = 7,489.73

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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.