Home / 15,035.17-20,753.04-9,730.35

Finding the Fourth Proportional to 15,035.17, 20,753.04 and 9,730.35

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Solution

The fourth proportional to 15,035.17, 20,753.04 and 9,730.35 is: 13,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035.17 : 20,753.04 = 9,730.35 : x
  2. Step 2: Convert to fraction form
    15,035.17/20,753.04 = 9,730.35/x
  3. Step 3: Cross multiply
    15,035.17x = 20,753.04 × 9,730.35
  4. Step 4: Simplify right side
    15,035.17x = 201,934,342.76
  5. Step 5: Solve for x
    x = 201,934,342.76/15,035.17
  6. Step 6: Final answer
    x = 13,430.80

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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.