Home / 21,541.10-32,316.81-10,434.81

Finding the Fourth Proportional to 21,541.10, 32,316.81 and 10,434.81

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Solution

The fourth proportional to 21,541.10, 32,316.81 and 10,434.81 is: 15,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.10 : 32,316.81 = 10,434.81 : x
  2. Step 2: Convert to fraction form
    21,541.10/32,316.81 = 10,434.81/x
  3. Step 3: Cross multiply
    21,541.10x = 32,316.81 × 10,434.81
  4. Step 4: Simplify right side
    21,541.10x = 337,219,558.40
  5. Step 5: Solve for x
    x = 337,219,558.40/21,541.10
  6. Step 6: Final answer
    x = 15,654.70

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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.