Home / 14,445.48-19,934.88-8,477.28

Finding the Fourth Proportional to 14,445.48, 19,934.88 and 8,477.28

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Solution

The fourth proportional to 14,445.48, 19,934.88 and 8,477.28 is: 11,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.48 : 19,934.88 = 8,477.28 : x
  2. Step 2: Convert to fraction form
    14,445.48/19,934.88 = 8,477.28/x
  3. Step 3: Cross multiply
    14,445.48x = 19,934.88 × 8,477.28
  4. Step 4: Simplify right side
    14,445.48x = 168,993,559.53
  5. Step 5: Solve for x
    x = 168,993,559.53/14,445.48
  6. Step 6: Final answer
    x = 11,698.72

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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.