Home / 9,014.56-12,438.80-5,287.84

Finding the Fourth Proportional to 9,014.56, 12,438.80 and 5,287.84

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Solution

The fourth proportional to 9,014.56, 12,438.80 and 5,287.84 is: 7,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.56 : 12,438.80 = 5,287.84 : x
  2. Step 2: Convert to fraction form
    9,014.56/12,438.80 = 5,287.84/x
  3. Step 3: Cross multiply
    9,014.56x = 12,438.80 × 5,287.84
  4. Step 4: Simplify right side
    9,014.56x = 65,774,384.19
  5. Step 5: Solve for x
    x = 65,774,384.19/9,014.56
  6. Step 6: Final answer
    x = 7,296.46

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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.