Home / 10,630.81-14,673.05-6,438.25

Finding the Fourth Proportional to 10,630.81, 14,673.05 and 6,438.25

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Solution

The fourth proportional to 10,630.81, 14,673.05 and 6,438.25 is: 8,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.81 : 14,673.05 = 6,438.25 : x
  2. Step 2: Convert to fraction form
    10,630.81/14,673.05 = 6,438.25/x
  3. Step 3: Cross multiply
    10,630.81x = 14,673.05 × 6,438.25
  4. Step 4: Simplify right side
    10,630.81x = 94,468,764.16
  5. Step 5: Solve for x
    x = 94,468,764.16/10,630.81
  6. Step 6: Final answer
    x = 8,886.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.