Home / 19,191.02-28,790.16-7,503.50

Finding the Fourth Proportional to 19,191.02, 28,790.16 and 7,503.50

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Solution

The fourth proportional to 19,191.02, 28,790.16 and 7,503.50 is: 11,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.02 : 28,790.16 = 7,503.50 : x
  2. Step 2: Convert to fraction form
    19,191.02/28,790.16 = 7,503.50/x
  3. Step 3: Cross multiply
    19,191.02x = 28,790.16 × 7,503.50
  4. Step 4: Simplify right side
    19,191.02x = 216,026,965.56
  5. Step 5: Solve for x
    x = 216,026,965.56/19,191.02
  6. Step 6: Final answer
    x = 11,256.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.