Home / 14,688.08-21,874.16-14,603.84

Finding the Fourth Proportional to 14,688.08, 21,874.16 and 14,603.84

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Solution

The fourth proportional to 14,688.08, 21,874.16 and 14,603.84 is: 21,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.08 : 21,874.16 = 14,603.84 : x
  2. Step 2: Convert to fraction form
    14,688.08/21,874.16 = 14,603.84/x
  3. Step 3: Cross multiply
    14,688.08x = 21,874.16 × 14,603.84
  4. Step 4: Simplify right side
    14,688.08x = 319,446,732.77
  5. Step 5: Solve for x
    x = 319,446,732.77/14,688.08
  6. Step 6: Final answer
    x = 21,748.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.