Home / 14,724-20,319.28-8,009.64

Finding the Fourth Proportional to 14,724, 20,319.28 and 8,009.64

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Solution

The fourth proportional to 14,724, 20,319.28 and 8,009.64 is: 11,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724 : 20,319.28 = 8,009.64 : x
  2. Step 2: Convert to fraction form
    14,724/20,319.28 = 8,009.64/x
  3. Step 3: Cross multiply
    14,724x = 20,319.28 × 8,009.64
  4. Step 4: Simplify right side
    14,724x = 162,750,097.84
  5. Step 5: Solve for x
    x = 162,750,097.84/14,724
  6. Step 6: Final answer
    x = 11,053.39

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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.