Home / 15,934.02-21,984.93-9,645.18

Finding the Fourth Proportional to 15,934.02, 21,984.93 and 9,645.18

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Solution

The fourth proportional to 15,934.02, 21,984.93 and 9,645.18 is: 13,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,934.02 : 21,984.93 = 9,645.18 : x
  2. Step 2: Convert to fraction form
    15,934.02/21,984.93 = 9,645.18/x
  3. Step 3: Cross multiply
    15,934.02x = 21,984.93 × 9,645.18
  4. Step 4: Simplify right side
    15,934.02x = 212,048,607.14
  5. Step 5: Solve for x
    x = 212,048,607.14/15,934.02
  6. Step 6: Final answer
    x = 13,307.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.