Home / 19,869.23-29,803.87-5,078.16

Finding the Fourth Proportional to 19,869.23, 29,803.87 and 5,078.16

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Solution

The fourth proportional to 19,869.23, 29,803.87 and 5,078.16 is: 7,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.23 : 29,803.87 = 5,078.16 : x
  2. Step 2: Convert to fraction form
    19,869.23/29,803.87 = 5,078.16/x
  3. Step 3: Cross multiply
    19,869.23x = 29,803.87 × 5,078.16
  4. Step 4: Simplify right side
    19,869.23x = 151,348,826.83
  5. Step 5: Solve for x
    x = 151,348,826.83/19,869.23
  6. Step 6: Final answer
    x = 7,617.25

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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.