Home / 22,030.13-30,401.58-12,598.70

Finding the Fourth Proportional to 22,030.13, 30,401.58 and 12,598.70

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Solution

The fourth proportional to 22,030.13, 30,401.58 and 12,598.70 is: 17,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.13 : 30,401.58 = 12,598.70 : x
  2. Step 2: Convert to fraction form
    22,030.13/30,401.58 = 12,598.70/x
  3. Step 3: Cross multiply
    22,030.13x = 30,401.58 × 12,598.70
  4. Step 4: Simplify right side
    22,030.13x = 383,020,233.94
  5. Step 5: Solve for x
    x = 383,020,233.94/22,030.13
  6. Step 6: Final answer
    x = 17,386.20

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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.