Home / 13,366.87-18,444.33-7,398.51

Finding the Fourth Proportional to 13,366.87, 18,444.33 and 7,398.51

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Solution

The fourth proportional to 13,366.87, 18,444.33 and 7,398.51 is: 10,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.87 : 18,444.33 = 7,398.51 : x
  2. Step 2: Convert to fraction form
    13,366.87/18,444.33 = 7,398.51/x
  3. Step 3: Cross multiply
    13,366.87x = 18,444.33 × 7,398.51
  4. Step 4: Simplify right side
    13,366.87x = 136,460,667.21
  5. Step 5: Solve for x
    x = 136,460,667.21/13,366.87
  6. Step 6: Final answer
    x = 10,208.87

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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.