Home / 10,690.79-16,036.18-6,783.35

Finding the Fourth Proportional to 10,690.79, 16,036.18 and 6,783.35

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Solution

The fourth proportional to 10,690.79, 16,036.18 and 6,783.35 is: 10,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.79 : 16,036.18 = 6,783.35 : x
  2. Step 2: Convert to fraction form
    10,690.79/16,036.18 = 6,783.35/x
  3. Step 3: Cross multiply
    10,690.79x = 16,036.18 × 6,783.35
  4. Step 4: Simplify right side
    10,690.79x = 108,778,924.46
  5. Step 5: Solve for x
    x = 108,778,924.46/10,690.79
  6. Step 6: Final answer
    x = 10,175.02

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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.