Home / 19,365.40-29,048.10-10,130.20

Finding the Fourth Proportional to 19,365.40, 29,048.10 and 10,130.20

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Solution

The fourth proportional to 19,365.40, 29,048.10 and 10,130.20 is: 15,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.40 : 29,048.10 = 10,130.20 : x
  2. Step 2: Convert to fraction form
    19,365.40/29,048.10 = 10,130.20/x
  3. Step 3: Cross multiply
    19,365.40x = 29,048.10 × 10,130.20
  4. Step 4: Simplify right side
    19,365.40x = 294,263,062.62
  5. Step 5: Solve for x
    x = 294,263,062.62/19,365.40
  6. Step 6: Final answer
    x = 15,195.30

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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.