Home / 15,485.10-23,220.56-4,953.08

Finding the Fourth Proportional to 15,485.10, 23,220.56 and 4,953.08

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Solution

The fourth proportional to 15,485.10, 23,220.56 and 4,953.08 is: 7,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.10 : 23,220.56 = 4,953.08 : x
  2. Step 2: Convert to fraction form
    15,485.10/23,220.56 = 4,953.08/x
  3. Step 3: Cross multiply
    15,485.10x = 23,220.56 × 4,953.08
  4. Step 4: Simplify right side
    15,485.10x = 115,013,291.32
  5. Step 5: Solve for x
    x = 115,013,291.32/15,485.10
  6. Step 6: Final answer
    x = 7,427.35

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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.