Home / 14,298.90-19,715.32-12,306.03

Finding the Fourth Proportional to 14,298.90, 19,715.32 and 12,306.03

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Solution

The fourth proportional to 14,298.90, 19,715.32 and 12,306.03 is: 16,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.90 : 19,715.32 = 12,306.03 : x
  2. Step 2: Convert to fraction form
    14,298.90/19,715.32 = 12,306.03/x
  3. Step 3: Cross multiply
    14,298.90x = 19,715.32 × 12,306.03
  4. Step 4: Simplify right side
    14,298.90x = 242,617,190.04
  5. Step 5: Solve for x
    x = 242,617,190.04/14,298.90
  6. Step 6: Final answer
    x = 16,967.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.