Home / 14,017.08-21,025.62-7,865.40

Finding the Fourth Proportional to 14,017.08, 21,025.62 and 7,865.40

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Solution

The fourth proportional to 14,017.08, 21,025.62 and 7,865.40 is: 11,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.08 : 21,025.62 = 7,865.40 : x
  2. Step 2: Convert to fraction form
    14,017.08/21,025.62 = 7,865.40/x
  3. Step 3: Cross multiply
    14,017.08x = 21,025.62 × 7,865.40
  4. Step 4: Simplify right side
    14,017.08x = 165,374,911.55
  5. Step 5: Solve for x
    x = 165,374,911.55/14,017.08
  6. Step 6: Final answer
    x = 11,798.10

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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.