Home / 9,528.94-13,148.88-5,278.87

Finding the Fourth Proportional to 9,528.94, 13,148.88 and 5,278.87

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Solution

The fourth proportional to 9,528.94, 13,148.88 and 5,278.87 is: 7,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.94 : 13,148.88 = 5,278.87 : x
  2. Step 2: Convert to fraction form
    9,528.94/13,148.88 = 5,278.87/x
  3. Step 3: Cross multiply
    9,528.94x = 13,148.88 × 5,278.87
  4. Step 4: Simplify right side
    9,528.94x = 69,411,254.50
  5. Step 5: Solve for x
    x = 69,411,254.50/9,528.94
  6. Step 6: Final answer
    x = 7,284.26

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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.