Home / 18,988.22-26,206.32-14,264.30

Finding the Fourth Proportional to 18,988.22, 26,206.32 and 14,264.30

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Solution

The fourth proportional to 18,988.22, 26,206.32 and 14,264.30 is: 19,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.22 : 26,206.32 = 14,264.30 : x
  2. Step 2: Convert to fraction form
    18,988.22/26,206.32 = 14,264.30/x
  3. Step 3: Cross multiply
    18,988.22x = 26,206.32 × 14,264.30
  4. Step 4: Simplify right side
    18,988.22x = 373,814,679.34
  5. Step 5: Solve for x
    x = 373,814,679.34/18,988.22
  6. Step 6: Final answer
    x = 19,686.67

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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.