Home / 22,031.51-30,401.48-12,599.87

Finding the Fourth Proportional to 22,031.51, 30,401.48 and 12,599.87

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Solution

The fourth proportional to 22,031.51, 30,401.48 and 12,599.87 is: 17,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.51 : 30,401.48 = 12,599.87 : x
  2. Step 2: Convert to fraction form
    22,031.51/30,401.48 = 12,599.87/x
  3. Step 3: Cross multiply
    22,031.51x = 30,401.48 × 12,599.87
  4. Step 4: Simplify right side
    22,031.51x = 383,054,632.81
  5. Step 5: Solve for x
    x = 383,054,632.81/22,031.51
  6. Step 6: Final answer
    x = 17,386.67

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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.