Home / 19,574.16-29,305.23-12,987.24

Finding the Fourth Proportional to 19,574.16, 29,305.23 and 12,987.24

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Solution

The fourth proportional to 19,574.16, 29,305.23 and 12,987.24 is: 19,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.16 : 29,305.23 = 12,987.24 : x
  2. Step 2: Convert to fraction form
    19,574.16/29,305.23 = 12,987.24/x
  3. Step 3: Cross multiply
    19,574.16x = 29,305.23 × 12,987.24
  4. Step 4: Simplify right side
    19,574.16x = 380,594,055.27
  5. Step 5: Solve for x
    x = 380,594,055.27/19,574.16
  6. Step 6: Final answer
    x = 19,443.70

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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.