Home / 8,670.56-13,014.81-5,341.20

Finding the Fourth Proportional to 8,670.56, 13,014.81 and 5,341.20

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Solution

The fourth proportional to 8,670.56, 13,014.81 and 5,341.20 is: 8,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.56 : 13,014.81 = 5,341.20 : x
  2. Step 2: Convert to fraction form
    8,670.56/13,014.81 = 5,341.20/x
  3. Step 3: Cross multiply
    8,670.56x = 13,014.81 × 5,341.20
  4. Step 4: Simplify right side
    8,670.56x = 69,514,703.17
  5. Step 5: Solve for x
    x = 69,514,703.17/8,670.56
  6. Step 6: Final answer
    x = 8,017.33

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1.5x scale

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.