Home / 15,071.32-20,798.66-8,357.23

Finding the Fourth Proportional to 15,071.32, 20,798.66 and 8,357.23

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Solution

The fourth proportional to 15,071.32, 20,798.66 and 8,357.23 is: 11,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.32 : 20,798.66 = 8,357.23 : x
  2. Step 2: Convert to fraction form
    15,071.32/20,798.66 = 8,357.23/x
  3. Step 3: Cross multiply
    15,071.32x = 20,798.66 × 8,357.23
  4. Step 4: Simplify right side
    15,071.32x = 173,819,102.21
  5. Step 5: Solve for x
    x = 173,819,102.21/15,071.32
  6. Step 6: Final answer
    x = 11,533.11

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Double scale
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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.