Home / 16,690.19-25,034.63-4,210.05

Finding the Fourth Proportional to 16,690.19, 25,034.63 and 4,210.05

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Solution

The fourth proportional to 16,690.19, 25,034.63 and 4,210.05 is: 6,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.19 : 25,034.63 = 4,210.05 : x
  2. Step 2: Convert to fraction form
    16,690.19/25,034.63 = 4,210.05/x
  3. Step 3: Cross multiply
    16,690.19x = 25,034.63 × 4,210.05
  4. Step 4: Simplify right side
    16,690.19x = 105,397,044.03
  5. Step 5: Solve for x
    x = 105,397,044.03/16,690.19
  6. Step 6: Final answer
    x = 6,314.91

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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.