Home / 12,798.02-19,200.69-9,291.53

Finding the Fourth Proportional to 12,798.02, 19,200.69 and 9,291.53

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Solution

The fourth proportional to 12,798.02, 19,200.69 and 9,291.53 is: 13,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.02 : 19,200.69 = 9,291.53 : x
  2. Step 2: Convert to fraction form
    12,798.02/19,200.69 = 9,291.53/x
  3. Step 3: Cross multiply
    12,798.02x = 19,200.69 × 9,291.53
  4. Step 4: Simplify right side
    12,798.02x = 178,403,835.16
  5. Step 5: Solve for x
    x = 178,403,835.16/12,798.02
  6. Step 6: Final answer
    x = 13,939.95

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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.