Home / 15,715.36-23,554.08-6,940.32

Finding the Fourth Proportional to 15,715.36, 23,554.08 and 6,940.32

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Solution

The fourth proportional to 15,715.36, 23,554.08 and 6,940.32 is: 10,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.36 : 23,554.08 = 6,940.32 : x
  2. Step 2: Convert to fraction form
    15,715.36/23,554.08 = 6,940.32/x
  3. Step 3: Cross multiply
    15,715.36x = 23,554.08 × 6,940.32
  4. Step 4: Simplify right side
    15,715.36x = 163,472,852.51
  5. Step 5: Solve for x
    x = 163,472,852.51/15,715.36
  6. Step 6: Final answer
    x = 10,402.11

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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.