Home / 12,430.23-18,648.14-6,590.94

Finding the Fourth Proportional to 12,430.23, 18,648.14 and 6,590.94

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Solution

The fourth proportional to 12,430.23, 18,648.14 and 6,590.94 is: 9,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.23 : 18,648.14 = 6,590.94 : x
  2. Step 2: Convert to fraction form
    12,430.23/18,648.14 = 6,590.94/x
  3. Step 3: Cross multiply
    12,430.23x = 18,648.14 × 6,590.94
  4. Step 4: Simplify right side
    12,430.23x = 122,908,738.90
  5. Step 5: Solve for x
    x = 122,908,738.90/12,430.23
  6. Step 6: Final answer
    x = 9,887.89

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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.