Home / 11,270.36-15,547.86-7,292.76

Finding the Fourth Proportional to 11,270.36, 15,547.86 and 7,292.76

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Solution

The fourth proportional to 11,270.36, 15,547.86 and 7,292.76 is: 10,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.36 : 15,547.86 = 7,292.76 : x
  2. Step 2: Convert to fraction form
    11,270.36/15,547.86 = 7,292.76/x
  3. Step 3: Cross multiply
    11,270.36x = 15,547.86 × 7,292.76
  4. Step 4: Simplify right side
    11,270.36x = 113,386,811.49
  5. Step 5: Solve for x
    x = 113,386,811.49/11,270.36
  6. Step 6: Final answer
    x = 10,060.62

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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.