Home / 14,035.07-21,052.59-7,109.57

Finding the Fourth Proportional to 14,035.07, 21,052.59 and 7,109.57

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Solution

The fourth proportional to 14,035.07, 21,052.59 and 7,109.57 is: 10,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.07 : 21,052.59 = 7,109.57 : x
  2. Step 2: Convert to fraction form
    14,035.07/21,052.59 = 7,109.57/x
  3. Step 3: Cross multiply
    14,035.07x = 21,052.59 × 7,109.57
  4. Step 4: Simplify right side
    14,035.07x = 149,674,862.29
  5. Step 5: Solve for x
    x = 149,674,862.29/14,035.07
  6. Step 6: Final answer
    x = 10,664.35

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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.