Home / 10,330.72-14,260.80-6,140.32

Finding the Fourth Proportional to 10,330.72, 14,260.80 and 6,140.32

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Solution

The fourth proportional to 10,330.72, 14,260.80 and 6,140.32 is: 8,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.72 : 14,260.80 = 6,140.32 : x
  2. Step 2: Convert to fraction form
    10,330.72/14,260.80 = 6,140.32/x
  3. Step 3: Cross multiply
    10,330.72x = 14,260.80 × 6,140.32
  4. Step 4: Simplify right side
    10,330.72x = 87,565,875.46
  5. Step 5: Solve for x
    x = 87,565,875.46/10,330.72
  6. Step 6: Final answer
    x = 8,476.26

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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.