Home / 10,559.54-15,807.75-6,386.93

Finding the Fourth Proportional to 10,559.54, 15,807.75 and 6,386.93

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Solution

The fourth proportional to 10,559.54, 15,807.75 and 6,386.93 is: 9,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.54 : 15,807.75 = 6,386.93 : x
  2. Step 2: Convert to fraction form
    10,559.54/15,807.75 = 6,386.93/x
  3. Step 3: Cross multiply
    10,559.54x = 15,807.75 × 6,386.93
  4. Step 4: Simplify right side
    10,559.54x = 100,962,913.67
  5. Step 5: Solve for x
    x = 100,962,913.67/10,559.54
  6. Step 6: Final answer
    x = 9,561.30

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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.