Home / 10,420.02-15,636.92-4,873.77

Finding the Fourth Proportional to 10,420.02, 15,636.92 and 4,873.77

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Solution

The fourth proportional to 10,420.02, 15,636.92 and 4,873.77 is: 7,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.02 : 15,636.92 = 4,873.77 : x
  2. Step 2: Convert to fraction form
    10,420.02/15,636.92 = 4,873.77/x
  3. Step 3: Cross multiply
    10,420.02x = 15,636.92 × 4,873.77
  4. Step 4: Simplify right side
    10,420.02x = 76,210,727.22
  5. Step 5: Solve for x
    x = 76,210,727.22/10,420.02
  6. Step 6: Final answer
    x = 7,313.88

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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.