Home / 13,830.02-20,742.99-6,808.17

Finding the Fourth Proportional to 13,830.02, 20,742.99 and 6,808.17

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Solution

The fourth proportional to 13,830.02, 20,742.99 and 6,808.17 is: 10,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.02 : 20,742.99 = 6,808.17 : x
  2. Step 2: Convert to fraction form
    13,830.02/20,742.99 = 6,808.17/x
  3. Step 3: Cross multiply
    13,830.02x = 20,742.99 × 6,808.17
  4. Step 4: Simplify right side
    13,830.02x = 141,221,802.23
  5. Step 5: Solve for x
    x = 141,221,802.23/13,830.02
  6. Step 6: Final answer
    x = 10,211.25

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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.