Home / 11,248.16-16,860.25-8,466.23

Finding the Fourth Proportional to 11,248.16, 16,860.25 and 8,466.23

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Solution

The fourth proportional to 11,248.16, 16,860.25 and 8,466.23 is: 12,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.16 : 16,860.25 = 8,466.23 : x
  2. Step 2: Convert to fraction form
    11,248.16/16,860.25 = 8,466.23/x
  3. Step 3: Cross multiply
    11,248.16x = 16,860.25 × 8,466.23
  4. Step 4: Simplify right side
    11,248.16x = 142,742,648.89
  5. Step 5: Solve for x
    x = 142,742,648.89/11,248.16
  6. Step 6: Final answer
    x = 12,690.32

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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.