Home / 19,323.07-28,985.05-10,943.21

Finding the Fourth Proportional to 19,323.07, 28,985.05 and 10,943.21

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Solution

The fourth proportional to 19,323.07, 28,985.05 and 10,943.21 is: 16,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.07 : 28,985.05 = 10,943.21 : x
  2. Step 2: Convert to fraction form
    19,323.07/28,985.05 = 10,943.21/x
  3. Step 3: Cross multiply
    19,323.07x = 28,985.05 × 10,943.21
  4. Step 4: Simplify right side
    19,323.07x = 317,189,489.01
  5. Step 5: Solve for x
    x = 317,189,489.01/19,323.07
  6. Step 6: Final answer
    x = 16,415.07

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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.