Home / 15,824.17-21,837.09-8,750.59

Finding the Fourth Proportional to 15,824.17, 21,837.09 and 8,750.59

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Solution

The fourth proportional to 15,824.17, 21,837.09 and 8,750.59 is: 12,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.17 : 21,837.09 = 8,750.59 : x
  2. Step 2: Convert to fraction form
    15,824.17/21,837.09 = 8,750.59/x
  3. Step 3: Cross multiply
    15,824.17x = 21,837.09 × 8,750.59
  4. Step 4: Simplify right side
    15,824.17x = 191,087,421.38
  5. Step 5: Solve for x
    x = 191,087,421.38/15,824.17
  6. Step 6: Final answer
    x = 12,075.67

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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.