Home / 10,154.34-15,210.56-9,303.84

Finding the Fourth Proportional to 10,154.34, 15,210.56 and 9,303.84

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Solution

The fourth proportional to 10,154.34, 15,210.56 and 9,303.84 is: 13,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.34 : 15,210.56 = 9,303.84 : x
  2. Step 2: Convert to fraction form
    10,154.34/15,210.56 = 9,303.84/x
  3. Step 3: Cross multiply
    10,154.34x = 15,210.56 × 9,303.84
  4. Step 4: Simplify right side
    10,154.34x = 141,516,616.55
  5. Step 5: Solve for x
    x = 141,516,616.55/10,154.34
  6. Step 6: Final answer
    x = 13,936.56

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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.