Home / 10,437.10-15,619.20-7,302.40

Finding the Fourth Proportional to 10,437.10, 15,619.20 and 7,302.40

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Solution

The fourth proportional to 10,437.10, 15,619.20 and 7,302.40 is: 10,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.10 : 15,619.20 = 7,302.40 : x
  2. Step 2: Convert to fraction form
    10,437.10/15,619.20 = 7,302.40/x
  3. Step 3: Cross multiply
    10,437.10x = 15,619.20 × 7,302.40
  4. Step 4: Simplify right side
    10,437.10x = 114,057,646.08
  5. Step 5: Solve for x
    x = 114,057,646.08/10,437.10
  6. Step 6: Final answer
    x = 10,928.10

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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.