Home / 13,366.05-18,444.96-7,397.35

Finding the Fourth Proportional to 13,366.05, 18,444.96 and 7,397.35

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Solution

The fourth proportional to 13,366.05, 18,444.96 and 7,397.35 is: 10,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.05 : 18,444.96 = 7,397.35 : x
  2. Step 2: Convert to fraction form
    13,366.05/18,444.96 = 7,397.35/x
  3. Step 3: Cross multiply
    13,366.05x = 18,444.96 × 7,397.35
  4. Step 4: Simplify right side
    13,366.05x = 136,443,824.86
  5. Step 5: Solve for x
    x = 136,443,824.86/13,366.05
  6. Step 6: Final answer
    x = 10,208.24

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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.