Home / 13,366.58-18,443.95-7,398.25

Finding the Fourth Proportional to 13,366.58, 18,443.95 and 7,398.25

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Solution

The fourth proportional to 13,366.58, 18,443.95 and 7,398.25 is: 10,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.58 : 18,443.95 = 7,398.25 : x
  2. Step 2: Convert to fraction form
    13,366.58/18,443.95 = 7,398.25/x
  3. Step 3: Cross multiply
    13,366.58x = 18,443.95 × 7,398.25
  4. Step 4: Simplify right side
    13,366.58x = 136,452,888.48
  5. Step 5: Solve for x
    x = 136,452,888.48/13,366.58
  6. Step 6: Final answer
    x = 10,208.52

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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.