Home / 10,746.47-14,830.80-7,155.24

Finding the Fourth Proportional to 10,746.47, 14,830.80 and 7,155.24

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Solution

The fourth proportional to 10,746.47, 14,830.80 and 7,155.24 is: 9,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.47 : 14,830.80 = 7,155.24 : x
  2. Step 2: Convert to fraction form
    10,746.47/14,830.80 = 7,155.24/x
  3. Step 3: Cross multiply
    10,746.47x = 14,830.80 × 7,155.24
  4. Step 4: Simplify right side
    10,746.47x = 106,117,850.94
  5. Step 5: Solve for x
    x = 106,117,850.94/10,746.47
  6. Step 6: Final answer
    x = 9,874.67

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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.