Home / 13,442.44-18,547.84-7,852.36

Finding the Fourth Proportional to 13,442.44, 18,547.84 and 7,852.36

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Solution

The fourth proportional to 13,442.44, 18,547.84 and 7,852.36 is: 10,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.44 : 18,547.84 = 7,852.36 : x
  2. Step 2: Convert to fraction form
    13,442.44/18,547.84 = 7,852.36/x
  3. Step 3: Cross multiply
    13,442.44x = 18,547.84 × 7,852.36
  4. Step 4: Simplify right side
    13,442.44x = 145,644,316.90
  5. Step 5: Solve for x
    x = 145,644,316.90/13,442.44
  6. Step 6: Final answer
    x = 10,834.66

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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.