Home / 14,357.45-21,482.08-12,900.67

Finding the Fourth Proportional to 14,357.45, 21,482.08 and 12,900.67

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Solution

The fourth proportional to 14,357.45, 21,482.08 and 12,900.67 is: 19,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.45 : 21,482.08 = 12,900.67 : x
  2. Step 2: Convert to fraction form
    14,357.45/21,482.08 = 12,900.67/x
  3. Step 3: Cross multiply
    14,357.45x = 21,482.08 × 12,900.67
  4. Step 4: Simplify right side
    14,357.45x = 277,133,139.04
  5. Step 5: Solve for x
    x = 277,133,139.04/14,357.45
  6. Step 6: Final answer
    x = 19,302.39

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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.