Home / 14,009.04-21,006.42-4,645.72

Finding the Fourth Proportional to 14,009.04, 21,006.42 and 4,645.72

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Solution

The fourth proportional to 14,009.04, 21,006.42 and 4,645.72 is: 6,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.04 : 21,006.42 = 4,645.72 : x
  2. Step 2: Convert to fraction form
    14,009.04/21,006.42 = 4,645.72/x
  3. Step 3: Cross multiply
    14,009.04x = 21,006.42 × 4,645.72
  4. Step 4: Simplify right side
    14,009.04x = 97,590,015.00
  5. Step 5: Solve for x
    x = 97,590,015.00/14,009.04
  6. Step 6: Final answer
    x = 6,966.21

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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.