Home / 14,003.68-21,005.52-9,607.81

Finding the Fourth Proportional to 14,003.68, 21,005.52 and 9,607.81

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Solution

The fourth proportional to 14,003.68, 21,005.52 and 9,607.81 is: 14,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.68 : 21,005.52 = 9,607.81 : x
  2. Step 2: Convert to fraction form
    14,003.68/21,005.52 = 9,607.81/x
  3. Step 3: Cross multiply
    14,003.68x = 21,005.52 × 9,607.81
  4. Step 4: Simplify right side
    14,003.68x = 201,817,045.11
  5. Step 5: Solve for x
    x = 201,817,045.11/14,003.68
  6. Step 6: Final answer
    x = 14,411.72

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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.