Home / 13,425.84-18,528.26-7,458.08

Finding the Fourth Proportional to 13,425.84, 18,528.26 and 7,458.08

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Solution

The fourth proportional to 13,425.84, 18,528.26 and 7,458.08 is: 10,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.84 : 18,528.26 = 7,458.08 : x
  2. Step 2: Convert to fraction form
    13,425.84/18,528.26 = 7,458.08/x
  3. Step 3: Cross multiply
    13,425.84x = 18,528.26 × 7,458.08
  4. Step 4: Simplify right side
    13,425.84x = 138,185,115.41
  5. Step 5: Solve for x
    x = 138,185,115.41/13,425.84
  6. Step 6: Final answer
    x = 10,292.47

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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.