Home / 19,479.39-29,200.70-9,477.81

Finding the Fourth Proportional to 19,479.39, 29,200.70 and 9,477.81

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Solution

The fourth proportional to 19,479.39, 29,200.70 and 9,477.81 is: 14,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.39 : 29,200.70 = 9,477.81 : x
  2. Step 2: Convert to fraction form
    19,479.39/29,200.70 = 9,477.81/x
  3. Step 3: Cross multiply
    19,479.39x = 29,200.70 × 9,477.81
  4. Step 4: Simplify right side
    19,479.39x = 276,758,710.16
  5. Step 5: Solve for x
    x = 276,758,710.16/19,479.39
  6. Step 6: Final answer
    x = 14,207.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.