Home / 14,368.08-21,545.16-5,007.87

Finding the Fourth Proportional to 14,368.08, 21,545.16 and 5,007.87

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Solution

The fourth proportional to 14,368.08, 21,545.16 and 5,007.87 is: 7,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.08 : 21,545.16 = 5,007.87 : x
  2. Step 2: Convert to fraction form
    14,368.08/21,545.16 = 5,007.87/x
  3. Step 3: Cross multiply
    14,368.08x = 21,545.16 × 5,007.87
  4. Step 4: Simplify right side
    14,368.08x = 107,895,360.41
  5. Step 5: Solve for x
    x = 107,895,360.41/14,368.08
  6. Step 6: Final answer
    x = 7,509.38

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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.