Home / 14,187.06-21,280.48-4,828.03

Finding the Fourth Proportional to 14,187.06, 21,280.48 and 4,828.03

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Solution

The fourth proportional to 14,187.06, 21,280.48 and 4,828.03 is: 7,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.06 : 21,280.48 = 4,828.03 : x
  2. Step 2: Convert to fraction form
    14,187.06/21,280.48 = 4,828.03/x
  3. Step 3: Cross multiply
    14,187.06x = 21,280.48 × 4,828.03
  4. Step 4: Simplify right side
    14,187.06x = 102,742,730.58
  5. Step 5: Solve for x
    x = 102,742,730.58/14,187.06
  6. Step 6: Final answer
    x = 7,242.00

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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.