Home / 14,355.02-19,810.44-7,981.94

Finding the Fourth Proportional to 14,355.02, 19,810.44 and 7,981.94

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Solution

The fourth proportional to 14,355.02, 19,810.44 and 7,981.94 is: 11,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.02 : 19,810.44 = 7,981.94 : x
  2. Step 2: Convert to fraction form
    14,355.02/19,810.44 = 7,981.94/x
  3. Step 3: Cross multiply
    14,355.02x = 19,810.44 × 7,981.94
  4. Step 4: Simplify right side
    14,355.02x = 158,125,743.45
  5. Step 5: Solve for x
    x = 158,125,743.45/14,355.02
  6. Step 6: Final answer
    x = 11,015.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.