Home / 14,455.47-21,678.94-6,130.89

Finding the Fourth Proportional to 14,455.47, 21,678.94 and 6,130.89

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Solution

The fourth proportional to 14,455.47, 21,678.94 and 6,130.89 is: 9,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.47 : 21,678.94 = 6,130.89 : x
  2. Step 2: Convert to fraction form
    14,455.47/21,678.94 = 6,130.89/x
  3. Step 3: Cross multiply
    14,455.47x = 21,678.94 × 6,130.89
  4. Step 4: Simplify right side
    14,455.47x = 132,911,196.46
  5. Step 5: Solve for x
    x = 132,911,196.46/14,455.47
  6. Step 6: Final answer
    x = 9,194.53

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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.