Home / 19,664.02-29,478.21-9,806.32

Finding the Fourth Proportional to 19,664.02, 29,478.21 and 9,806.32

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Solution

The fourth proportional to 19,664.02, 29,478.21 and 9,806.32 is: 14,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.02 : 29,478.21 = 9,806.32 : x
  2. Step 2: Convert to fraction form
    19,664.02/29,478.21 = 9,806.32/x
  3. Step 3: Cross multiply
    19,664.02x = 29,478.21 × 9,806.32
  4. Step 4: Simplify right side
    19,664.02x = 289,072,711.26
  5. Step 5: Solve for x
    x = 289,072,711.26/19,664.02
  6. Step 6: Final answer
    x = 14,700.59

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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.