Home / 15,573.02-21,486.75-9,280.94

Finding the Fourth Proportional to 15,573.02, 21,486.75 and 9,280.94

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Solution

The fourth proportional to 15,573.02, 21,486.75 and 9,280.94 is: 12,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.02 : 21,486.75 = 9,280.94 : x
  2. Step 2: Convert to fraction form
    15,573.02/21,486.75 = 9,280.94/x
  3. Step 3: Cross multiply
    15,573.02x = 21,486.75 × 9,280.94
  4. Step 4: Simplify right side
    15,573.02x = 199,417,237.55
  5. Step 5: Solve for x
    x = 199,417,237.55/15,573.02
  6. Step 6: Final answer
    x = 12,805.30

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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.