Home / 10,303.40-15,511.33-7,037.16

Finding the Fourth Proportional to 10,303.40, 15,511.33 and 7,037.16

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Solution

The fourth proportional to 10,303.40, 15,511.33 and 7,037.16 is: 10,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.40 : 15,511.33 = 7,037.16 : x
  2. Step 2: Convert to fraction form
    10,303.40/15,511.33 = 7,037.16/x
  3. Step 3: Cross multiply
    10,303.40x = 15,511.33 × 7,037.16
  4. Step 4: Simplify right side
    10,303.40x = 109,155,711.02
  5. Step 5: Solve for x
    x = 109,155,711.02/10,303.40
  6. Step 6: Final answer
    x = 10,594.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.