Home / 10,543.02-15,816.93-4,218.27

Finding the Fourth Proportional to 10,543.02, 15,816.93 and 4,218.27

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Solution

The fourth proportional to 10,543.02, 15,816.93 and 4,218.27 is: 6,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.02 : 15,816.93 = 4,218.27 : x
  2. Step 2: Convert to fraction form
    10,543.02/15,816.93 = 4,218.27/x
  3. Step 3: Cross multiply
    10,543.02x = 15,816.93 × 4,218.27
  4. Step 4: Simplify right side
    10,543.02x = 66,720,081.31
  5. Step 5: Solve for x
    x = 66,720,081.31/10,543.02
  6. Step 6: Final answer
    x = 6,328.37

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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.