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Finding the Fourth Proportional to 15,071.11, 22,602.05 and 10,421.00

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Solution

The fourth proportional to 15,071.11, 22,602.05 and 10,421.00 is: 15,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.11 : 22,602.05 = 10,421.00 : x
  2. Step 2: Convert to fraction form
    15,071.11/22,602.05 = 10,421.00/x
  3. Step 3: Cross multiply
    15,071.11x = 22,602.05 × 10,421.00
  4. Step 4: Simplify right side
    15,071.11x = 235,536,068.45
  5. Step 5: Solve for x
    x = 235,536,068.45/15,071.11
  6. Step 6: Final answer
    x = 15,628.31

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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.