Home / 14,117.80-21,176.70-13,253.80

Finding the Fourth Proportional to 14,117.80, 21,176.70 and 13,253.80

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Solution

The fourth proportional to 14,117.80, 21,176.70 and 13,253.80 is: 19,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.80 : 21,176.70 = 13,253.80 : x
  2. Step 2: Convert to fraction form
    14,117.80/21,176.70 = 13,253.80/x
  3. Step 3: Cross multiply
    14,117.80x = 21,176.70 × 13,253.80
  4. Step 4: Simplify right side
    14,117.80x = 280,671,746.46
  5. Step 5: Solve for x
    x = 280,671,746.46/14,117.80
  6. Step 6: Final answer
    x = 19,880.70

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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.