Home / 15,807.04-23,712.18-5,130.76

Finding the Fourth Proportional to 15,807.04, 23,712.18 and 5,130.76

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Solution

The fourth proportional to 15,807.04, 23,712.18 and 5,130.76 is: 7,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.04 : 23,712.18 = 5,130.76 : x
  2. Step 2: Convert to fraction form
    15,807.04/23,712.18 = 5,130.76/x
  3. Step 3: Cross multiply
    15,807.04x = 23,712.18 × 5,130.76
  4. Step 4: Simplify right side
    15,807.04x = 121,661,504.66
  5. Step 5: Solve for x
    x = 121,661,504.66/15,807.04
  6. Step 6: Final answer
    x = 7,696.67

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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.