Home / 10,365.59-15,554.51-4,128.53

Finding the Fourth Proportional to 10,365.59, 15,554.51 and 4,128.53

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Solution

The fourth proportional to 10,365.59, 15,554.51 and 4,128.53 is: 6,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.59 : 15,554.51 = 4,128.53 : x
  2. Step 2: Convert to fraction form
    10,365.59/15,554.51 = 4,128.53/x
  3. Step 3: Cross multiply
    10,365.59x = 15,554.51 × 4,128.53
  4. Step 4: Simplify right side
    10,365.59x = 64,217,162.76
  5. Step 5: Solve for x
    x = 64,217,162.76/10,365.59
  6. Step 6: Final answer
    x = 6,195.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.