Home / 9,417.40-14,126.10-9,271.60

Finding the Fourth Proportional to 9,417.40, 14,126.10 and 9,271.60

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Solution

The fourth proportional to 9,417.40, 14,126.10 and 9,271.60 is: 13,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.40 : 14,126.10 = 9,271.60 : x
  2. Step 2: Convert to fraction form
    9,417.40/14,126.10 = 9,271.60/x
  3. Step 3: Cross multiply
    9,417.40x = 14,126.10 × 9,271.60
  4. Step 4: Simplify right side
    9,417.40x = 130,971,548.76
  5. Step 5: Solve for x
    x = 130,971,548.76/9,417.40
  6. Step 6: Final answer
    x = 13,907.40

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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.