Home / 11,482.89-15,852.36-7,240.11

Finding the Fourth Proportional to 11,482.89, 15,852.36 and 7,240.11

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Solution

The fourth proportional to 11,482.89, 15,852.36 and 7,240.11 is: 9,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.89 : 15,852.36 = 7,240.11 : x
  2. Step 2: Convert to fraction form
    11,482.89/15,852.36 = 7,240.11/x
  3. Step 3: Cross multiply
    11,482.89x = 15,852.36 × 7,240.11
  4. Step 4: Simplify right side
    11,482.89x = 114,772,830.16
  5. Step 5: Solve for x
    x = 114,772,830.16/11,482.89
  6. Step 6: Final answer
    x = 9,995.12

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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.