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Finding the Fourth Proportional to 10,070.16, 15,094.86 and 7,289.94

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Solution

The fourth proportional to 10,070.16, 15,094.86 and 7,289.94 is: 10,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.16 : 15,094.86 = 7,289.94 : x
  2. Step 2: Convert to fraction form
    10,070.16/15,094.86 = 7,289.94/x
  3. Step 3: Cross multiply
    10,070.16x = 15,094.86 × 7,289.94
  4. Step 4: Simplify right side
    10,070.16x = 110,040,623.71
  5. Step 5: Solve for x
    x = 110,040,623.71/10,070.16
  6. Step 6: Final answer
    x = 10,927.40

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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.