Home / 15,669.47-23,482.87-8,638.94

Finding the Fourth Proportional to 15,669.47, 23,482.87 and 8,638.94

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Solution

The fourth proportional to 15,669.47, 23,482.87 and 8,638.94 is: 12,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.47 : 23,482.87 = 8,638.94 : x
  2. Step 2: Convert to fraction form
    15,669.47/23,482.87 = 8,638.94/x
  3. Step 3: Cross multiply
    15,669.47x = 23,482.87 × 8,638.94
  4. Step 4: Simplify right side
    15,669.47x = 202,866,944.35
  5. Step 5: Solve for x
    x = 202,866,944.35/15,669.47
  6. Step 6: Final answer
    x = 12,946.64

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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.