Home / 22,430.48-30,953.91-12,358.69

Finding the Fourth Proportional to 22,430.48, 30,953.91 and 12,358.69

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Solution

The fourth proportional to 22,430.48, 30,953.91 and 12,358.69 is: 17,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.48 : 30,953.91 = 12,358.69 : x
  2. Step 2: Convert to fraction form
    22,430.48/30,953.91 = 12,358.69/x
  3. Step 3: Cross multiply
    22,430.48x = 30,953.91 × 12,358.69
  4. Step 4: Simplify right side
    22,430.48x = 382,549,777.98
  5. Step 5: Solve for x
    x = 382,549,777.98/22,430.48
  6. Step 6: Final answer
    x = 17,054.91

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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.