Home / 15,077.90-20,814.64-10,050.50

Finding the Fourth Proportional to 15,077.90, 20,814.64 and 10,050.50

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Solution

The fourth proportional to 15,077.90, 20,814.64 and 10,050.50 is: 13,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.90 : 20,814.64 = 10,050.50 : x
  2. Step 2: Convert to fraction form
    15,077.90/20,814.64 = 10,050.50/x
  3. Step 3: Cross multiply
    15,077.90x = 20,814.64 × 10,050.50
  4. Step 4: Simplify right side
    15,077.90x = 209,197,539.32
  5. Step 5: Solve for x
    x = 209,197,539.32/15,077.90
  6. Step 6: Final answer
    x = 13,874.45

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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.