Home / 14,270.79-21,400.95-4,908.16

Finding the Fourth Proportional to 14,270.79, 21,400.95 and 4,908.16

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Solution

The fourth proportional to 14,270.79, 21,400.95 and 4,908.16 is: 7,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.79 : 21,400.95 = 4,908.16 : x
  2. Step 2: Convert to fraction form
    14,270.79/21,400.95 = 4,908.16/x
  3. Step 3: Cross multiply
    14,270.79x = 21,400.95 × 4,908.16
  4. Step 4: Simplify right side
    14,270.79x = 105,039,331.91
  5. Step 5: Solve for x
    x = 105,039,331.91/14,270.79
  6. Step 6: Final answer
    x = 7,360.44

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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.