Home / 10,625.55-15,938.67-4,386.07

Finding the Fourth Proportional to 10,625.55, 15,938.67 and 4,386.07

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Solution

The fourth proportional to 10,625.55, 15,938.67 and 4,386.07 is: 6,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.55 : 15,938.67 = 4,386.07 : x
  2. Step 2: Convert to fraction form
    10,625.55/15,938.67 = 4,386.07/x
  3. Step 3: Cross multiply
    10,625.55x = 15,938.67 × 4,386.07
  4. Step 4: Simplify right side
    10,625.55x = 69,908,203.53
  5. Step 5: Solve for x
    x = 69,908,203.53/10,625.55
  6. Step 6: Final answer
    x = 6,579.25

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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.