Home / 15,678.95-23,518.49-5,297.99

Finding the Fourth Proportional to 15,678.95, 23,518.49 and 5,297.99

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Solution

The fourth proportional to 15,678.95, 23,518.49 and 5,297.99 is: 7,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.95 : 23,518.49 = 5,297.99 : x
  2. Step 2: Convert to fraction form
    15,678.95/23,518.49 = 5,297.99/x
  3. Step 3: Cross multiply
    15,678.95x = 23,518.49 × 5,297.99
  4. Step 4: Simplify right side
    15,678.95x = 124,600,580.75
  5. Step 5: Solve for x
    x = 124,600,580.75/15,678.95
  6. Step 6: Final answer
    x = 7,947.00

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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.