Home / 12,984.60-19,448.10-10,053.40

Finding the Fourth Proportional to 12,984.60, 19,448.10 and 10,053.40

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Solution

The fourth proportional to 12,984.60, 19,448.10 and 10,053.40 is: 15,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.60 : 19,448.10 = 10,053.40 : x
  2. Step 2: Convert to fraction form
    12,984.60/19,448.10 = 10,053.40/x
  3. Step 3: Cross multiply
    12,984.60x = 19,448.10 × 10,053.40
  4. Step 4: Simplify right side
    12,984.60x = 195,519,528.54
  5. Step 5: Solve for x
    x = 195,519,528.54/12,984.60
  6. Step 6: Final answer
    x = 15,057.80

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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.