Home / 12,953.01-19,429.88-5,055.21

Finding the Fourth Proportional to 12,953.01, 19,429.88 and 5,055.21

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Solution

The fourth proportional to 12,953.01, 19,429.88 and 5,055.21 is: 7,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.01 : 19,429.88 = 5,055.21 : x
  2. Step 2: Convert to fraction form
    12,953.01/19,429.88 = 5,055.21/x
  3. Step 3: Cross multiply
    12,953.01x = 19,429.88 × 5,055.21
  4. Step 4: Simplify right side
    12,953.01x = 98,222,098.40
  5. Step 5: Solve for x
    x = 98,222,098.40/12,953.01
  6. Step 6: Final answer
    x = 7,582.95

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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.