Home / 14,457.24-19,935.27-9,412.20

Finding the Fourth Proportional to 14,457.24, 19,935.27 and 9,412.20

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Solution

The fourth proportional to 14,457.24, 19,935.27 and 9,412.20 is: 12,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.24 : 19,935.27 = 9,412.20 : x
  2. Step 2: Convert to fraction form
    14,457.24/19,935.27 = 9,412.20/x
  3. Step 3: Cross multiply
    14,457.24x = 19,935.27 × 9,412.20
  4. Step 4: Simplify right side
    14,457.24x = 187,634,748.29
  5. Step 5: Solve for x
    x = 187,634,748.29/14,457.24
  6. Step 6: Final answer
    x = 12,978.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.