Home / 10,271.16-15,407.64-2,875.68

Finding the Fourth Proportional to 10,271.16, 15,407.64 and 2,875.68

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Solution

The fourth proportional to 10,271.16, 15,407.64 and 2,875.68 is: 4,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.16 : 15,407.64 = 2,875.68 : x
  2. Step 2: Convert to fraction form
    10,271.16/15,407.64 = 2,875.68/x
  3. Step 3: Cross multiply
    10,271.16x = 15,407.64 × 2,875.68
  4. Step 4: Simplify right side
    10,271.16x = 44,307,442.20
  5. Step 5: Solve for x
    x = 44,307,442.20/10,271.16
  6. Step 6: Final answer
    x = 4,313.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.