Home / 21,830.02-32,715.84-10,117.42

Finding the Fourth Proportional to 21,830.02, 32,715.84 and 10,117.42

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Solution

The fourth proportional to 21,830.02, 32,715.84 and 10,117.42 is: 15,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830.02 : 32,715.84 = 10,117.42 : x
  2. Step 2: Convert to fraction form
    21,830.02/32,715.84 = 10,117.42/x
  3. Step 3: Cross multiply
    21,830.02x = 32,715.84 × 10,117.42
  4. Step 4: Simplify right side
    21,830.02x = 330,999,893.93
  5. Step 5: Solve for x
    x = 330,999,893.93/21,830.02
  6. Step 6: Final answer
    x = 15,162.60

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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.