Home / 11,045.42-15,242.55-7,274.06

Finding the Fourth Proportional to 11,045.42, 15,242.55 and 7,274.06

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Solution

The fourth proportional to 11,045.42, 15,242.55 and 7,274.06 is: 10,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.42 : 15,242.55 = 7,274.06 : x
  2. Step 2: Convert to fraction form
    11,045.42/15,242.55 = 7,274.06/x
  3. Step 3: Cross multiply
    11,045.42x = 15,242.55 × 7,274.06
  4. Step 4: Simplify right side
    11,045.42x = 110,875,223.25
  5. Step 5: Solve for x
    x = 110,875,223.25/11,045.42
  6. Step 6: Final answer
    x = 10,038.12

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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.