Home / 13,444.60-18,551.86-7,475.51

Finding the Fourth Proportional to 13,444.60, 18,551.86 and 7,475.51

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Solution

The fourth proportional to 13,444.60, 18,551.86 and 7,475.51 is: 10,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.60 : 18,551.86 = 7,475.51 : x
  2. Step 2: Convert to fraction form
    13,444.60/18,551.86 = 7,475.51/x
  3. Step 3: Cross multiply
    13,444.60x = 18,551.86 × 7,475.51
  4. Step 4: Simplify right side
    13,444.60x = 138,684,614.95
  5. Step 5: Solve for x
    x = 138,684,614.95/13,444.60
  6. Step 6: Final answer
    x = 10,315.27

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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.