Home / 14,350.03-21,462.08-12,779.82

Finding the Fourth Proportional to 14,350.03, 21,462.08 and 12,779.82

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Solution

The fourth proportional to 14,350.03, 21,462.08 and 12,779.82 is: 19,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.03 : 21,462.08 = 12,779.82 : x
  2. Step 2: Convert to fraction form
    14,350.03/21,462.08 = 12,779.82/x
  3. Step 3: Cross multiply
    14,350.03x = 21,462.08 × 12,779.82
  4. Step 4: Simplify right side
    14,350.03x = 274,281,411.92
  5. Step 5: Solve for x
    x = 274,281,411.92/14,350.03
  6. Step 6: Final answer
    x = 19,113.65

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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.