Home / 9,115.06-12,565.47-6,595.15

Finding the Fourth Proportional to 9,115.06, 12,565.47 and 6,595.15

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Solution

The fourth proportional to 9,115.06, 12,565.47 and 6,595.15 is: 9,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.06 : 12,565.47 = 6,595.15 : x
  2. Step 2: Convert to fraction form
    9,115.06/12,565.47 = 6,595.15/x
  3. Step 3: Cross multiply
    9,115.06x = 12,565.47 × 6,595.15
  4. Step 4: Simplify right side
    9,115.06x = 82,871,159.47
  5. Step 5: Solve for x
    x = 82,871,159.47/9,115.06
  6. Step 6: Final answer
    x = 9,091.67

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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.