Home / 14,681.81-20,260.91-8,308.27

Finding the Fourth Proportional to 14,681.81, 20,260.91 and 8,308.27

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Solution

The fourth proportional to 14,681.81, 20,260.91 and 8,308.27 is: 11,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.81 : 20,260.91 = 8,308.27 : x
  2. Step 2: Convert to fraction form
    14,681.81/20,260.91 = 8,308.27/x
  3. Step 3: Cross multiply
    14,681.81x = 20,260.91 × 8,308.27
  4. Step 4: Simplify right side
    14,681.81x = 168,333,009.42
  5. Step 5: Solve for x
    x = 168,333,009.42/14,681.81
  6. Step 6: Final answer
    x = 11,465.41

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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.