Home / 13,528.74-18,669.29-7,560.45

Finding the Fourth Proportional to 13,528.74, 18,669.29 and 7,560.45

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Solution

The fourth proportional to 13,528.74, 18,669.29 and 7,560.45 is: 10,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.74 : 18,669.29 = 7,560.45 : x
  2. Step 2: Convert to fraction form
    13,528.74/18,669.29 = 7,560.45/x
  3. Step 3: Cross multiply
    13,528.74x = 18,669.29 × 7,560.45
  4. Step 4: Simplify right side
    13,528.74x = 141,148,233.58
  5. Step 5: Solve for x
    x = 141,148,233.58/13,528.74
  6. Step 6: Final answer
    x = 10,433.21

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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.