Home / 14,870.20-22,317.90-6,111.40

Finding the Fourth Proportional to 14,870.20, 22,317.90 and 6,111.40

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Solution

The fourth proportional to 14,870.20, 22,317.90 and 6,111.40 is: 9,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.20 : 22,317.90 = 6,111.40 : x
  2. Step 2: Convert to fraction form
    14,870.20/22,317.90 = 6,111.40/x
  3. Step 3: Cross multiply
    14,870.20x = 22,317.90 × 6,111.40
  4. Step 4: Simplify right side
    14,870.20x = 136,393,614.06
  5. Step 5: Solve for x
    x = 136,393,614.06/14,870.20
  6. Step 6: Final answer
    x = 9,172.28

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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.