Home / 15,345.36-23,018.48-5,985

Finding the Fourth Proportional to 15,345.36, 23,018.48 and 5,985

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Solution

The fourth proportional to 15,345.36, 23,018.48 and 5,985 is: 8,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.36 : 23,018.48 = 5,985 : x
  2. Step 2: Convert to fraction form
    15,345.36/23,018.48 = 5,985/x
  3. Step 3: Cross multiply
    15,345.36x = 23,018.48 × 5,985
  4. Step 4: Simplify right side
    15,345.36x = 137,765,617.76
  5. Step 5: Solve for x
    x = 137,765,617.76/15,345.36
  6. Step 6: Final answer
    x = 8,977.67

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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.