Home / 19,167.02-28,746.21-5,317.10

Finding the Fourth Proportional to 19,167.02, 28,746.21 and 5,317.10

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Solution

The fourth proportional to 19,167.02, 28,746.21 and 5,317.10 is: 7,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.02 : 28,746.21 = 5,317.10 : x
  2. Step 2: Convert to fraction form
    19,167.02/28,746.21 = 5,317.10/x
  3. Step 3: Cross multiply
    19,167.02x = 28,746.21 × 5,317.10
  4. Step 4: Simplify right side
    19,167.02x = 152,846,473.19
  5. Step 5: Solve for x
    x = 152,846,473.19/19,167.02
  6. Step 6: Final answer
    x = 7,974.45

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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.