Home / 12,509.02-17,262.21-6,920.02

Finding the Fourth Proportional to 12,509.02, 17,262.21 and 6,920.02

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Solution

The fourth proportional to 12,509.02, 17,262.21 and 6,920.02 is: 9,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.02 : 17,262.21 = 6,920.02 : x
  2. Step 2: Convert to fraction form
    12,509.02/17,262.21 = 6,920.02/x
  3. Step 3: Cross multiply
    12,509.02x = 17,262.21 × 6,920.02
  4. Step 4: Simplify right side
    12,509.02x = 119,454,838.44
  5. Step 5: Solve for x
    x = 119,454,838.44/12,509.02
  6. Step 6: Final answer
    x = 9,549.50

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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.