Home / 9,293.04-12,814.56-6,639.48

Finding the Fourth Proportional to 9,293.04, 12,814.56 and 6,639.48

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Solution

The fourth proportional to 9,293.04, 12,814.56 and 6,639.48 is: 9,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.04 : 12,814.56 = 6,639.48 : x
  2. Step 2: Convert to fraction form
    9,293.04/12,814.56 = 6,639.48/x
  3. Step 3: Cross multiply
    9,293.04x = 12,814.56 × 6,639.48
  4. Step 4: Simplify right side
    9,293.04x = 85,082,014.83
  5. Step 5: Solve for x
    x = 85,082,014.83/9,293.04
  6. Step 6: Final answer
    x = 9,155.46

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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.