Home / 10,911.08-15,063.02-7,344.81

Finding the Fourth Proportional to 10,911.08, 15,063.02 and 7,344.81

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Solution

The fourth proportional to 10,911.08, 15,063.02 and 7,344.81 is: 10,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.08 : 15,063.02 = 7,344.81 : x
  2. Step 2: Convert to fraction form
    10,911.08/15,063.02 = 7,344.81/x
  3. Step 3: Cross multiply
    10,911.08x = 15,063.02 × 7,344.81
  4. Step 4: Simplify right side
    10,911.08x = 110,635,038.29
  5. Step 5: Solve for x
    x = 110,635,038.29/10,911.08
  6. Step 6: Final answer
    x = 10,139.69

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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.