Home / 19,370.24-29,051.04-7,680.32

Finding the Fourth Proportional to 19,370.24, 29,051.04 and 7,680.32

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Solution

The fourth proportional to 19,370.24, 29,051.04 and 7,680.32 is: 11,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.24 : 29,051.04 = 7,680.32 : x
  2. Step 2: Convert to fraction form
    19,370.24/29,051.04 = 7,680.32/x
  3. Step 3: Cross multiply
    19,370.24x = 29,051.04 × 7,680.32
  4. Step 4: Simplify right side
    19,370.24x = 223,121,283.53
  5. Step 5: Solve for x
    x = 223,121,283.53/19,370.24
  6. Step 6: Final answer
    x = 11,518.77

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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.