Home / 11,210.02-16,818-9,985.84

Finding the Fourth Proportional to 11,210.02, 16,818 and 9,985.84

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Solution

The fourth proportional to 11,210.02, 16,818 and 9,985.84 is: 14,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.02 : 16,818 = 9,985.84 : x
  2. Step 2: Convert to fraction form
    11,210.02/16,818 = 9,985.84/x
  3. Step 3: Cross multiply
    11,210.02x = 16,818 × 9,985.84
  4. Step 4: Simplify right side
    11,210.02x = 167,941,857.12
  5. Step 5: Solve for x
    x = 167,941,857.12/11,210.02
  6. Step 6: Final answer
    x = 14,981.41

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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.